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❤2
1. What is the difference between the RANK() and DENSE_RANK() functions?
The RANK() function in the result set defines the rank of each row within your ordered partition. If both rows have the same rank, the next number in the ranking will be the previous rank plus a number of duplicates. If we have three records at rank 4, for example, the next level indicated is 7. The DENSE_RANK() function assigns a distinct rank to each row within a partition based on the provided column value, with no gaps. If we have three records at rank 4, for example, the next level indicated is 5.
2. Explain One-hot encoding and Label Encoding. How do they affect the dimensionality of the given dataset?
One-hot encoding is the representation of categorical variables as binary vectors. Label Encoding is converting labels/words into numeric form. Using one-hot encoding increases the dimensionality of the data set. Label encoding doesn’t affect the dimensionality of the data set. One-hot encoding creates a new variable for each level in the variable whereas, in Label encoding, the levels of a variable get encoded as 1 and 0.
3. What is the shortcut to add a filter to a table in EXCEL?
The filter mechanism is used when you want to display only specific data from the entire dataset. By doing so, there is no change being made to the data. The shortcut to add a filter to a table is Ctrl+Shift+L.
4. What is DAX in Power BI?
DAX stands for Data Analysis Expressions. It's a collection of functions, operators, and constants used in formulas to calculate and return values. In other words, it helps you create new info from data you already have.
5. Define shelves and sets in Tableau?
Shelves: Every worksheet in Tableau will have shelves such as columns, rows, marks, filters, pages, and more. By placing filters on shelves we can build our own visualization structure. We can control the marks by including or excluding data.
Sets: The sets are used to compute a condition on which the dataset will be prepared. Data will be grouped together based on a condition. Fields which is responsible for grouping are known assets. For example – students having grades of more than 70%.
The RANK() function in the result set defines the rank of each row within your ordered partition. If both rows have the same rank, the next number in the ranking will be the previous rank plus a number of duplicates. If we have three records at rank 4, for example, the next level indicated is 7. The DENSE_RANK() function assigns a distinct rank to each row within a partition based on the provided column value, with no gaps. If we have three records at rank 4, for example, the next level indicated is 5.
2. Explain One-hot encoding and Label Encoding. How do they affect the dimensionality of the given dataset?
One-hot encoding is the representation of categorical variables as binary vectors. Label Encoding is converting labels/words into numeric form. Using one-hot encoding increases the dimensionality of the data set. Label encoding doesn’t affect the dimensionality of the data set. One-hot encoding creates a new variable for each level in the variable whereas, in Label encoding, the levels of a variable get encoded as 1 and 0.
3. What is the shortcut to add a filter to a table in EXCEL?
The filter mechanism is used when you want to display only specific data from the entire dataset. By doing so, there is no change being made to the data. The shortcut to add a filter to a table is Ctrl+Shift+L.
4. What is DAX in Power BI?
DAX stands for Data Analysis Expressions. It's a collection of functions, operators, and constants used in formulas to calculate and return values. In other words, it helps you create new info from data you already have.
5. Define shelves and sets in Tableau?
Shelves: Every worksheet in Tableau will have shelves such as columns, rows, marks, filters, pages, and more. By placing filters on shelves we can build our own visualization structure. We can control the marks by including or excluding data.
Sets: The sets are used to compute a condition on which the dataset will be prepared. Data will be grouped together based on a condition. Fields which is responsible for grouping are known assets. For example – students having grades of more than 70%.
❤2
Forwarded from SQL Programming Resources
𝟭𝟬 𝗥𝗲𝗮𝗹 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 & 𝗛𝗼𝘄 𝘁𝗼 𝗔𝗻𝘀𝘄𝗲𝗿 𝗧𝗵𝗲𝗺 𝗟𝗶𝗸𝗲 𝗮 𝗣𝗿𝗼😍
💼 Data Analytics interviews can feel overwhelming ✨️
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❤1
𝟭𝟬𝟬% 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 - 𝗘𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘😍
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Top 10 important data science concepts
1. Data Cleaning: Data cleaning is the process of identifying and correcting or removing errors, inconsistencies, and inaccuracies in a dataset. It is a crucial step in the data science pipeline as it ensures the quality and reliability of the data.
2. Exploratory Data Analysis (EDA): EDA is the process of analyzing and visualizing data to gain insights and understand the underlying patterns and relationships. It involves techniques such as summary statistics, data visualization, and correlation analysis.
3. Feature Engineering: Feature engineering is the process of creating new features or transforming existing features in a dataset to improve the performance of machine learning models. It involves techniques such as encoding categorical variables, scaling numerical variables, and creating interaction terms.
4. Machine Learning Algorithms: Machine learning algorithms are mathematical models that learn patterns and relationships from data to make predictions or decisions. Some important machine learning algorithms include linear regression, logistic regression, decision trees, random forests, support vector machines, and neural networks.
5. Model Evaluation and Validation: Model evaluation and validation involve assessing the performance of machine learning models on unseen data. It includes techniques such as cross-validation, confusion matrix, precision, recall, F1 score, and ROC curve analysis.
6. Feature Selection: Feature selection is the process of selecting the most relevant features from a dataset to improve model performance and reduce overfitting. It involves techniques such as correlation analysis, backward elimination, forward selection, and regularization methods.
7. Dimensionality Reduction: Dimensionality reduction techniques are used to reduce the number of features in a dataset while preserving the most important information. Principal Component Analysis (PCA) and t-SNE (t-Distributed Stochastic Neighbor Embedding) are common dimensionality reduction techniques.
8. Model Optimization: Model optimization involves fine-tuning the parameters and hyperparameters of machine learning models to achieve the best performance. Techniques such as grid search, random search, and Bayesian optimization are used for model optimization.
9. Data Visualization: Data visualization is the graphical representation of data to communicate insights and patterns effectively. It involves using charts, graphs, and plots to present data in a visually appealing and understandable manner.
10. Big Data Analytics: Big data analytics refers to the process of analyzing large and complex datasets that cannot be processed using traditional data processing techniques. It involves technologies such as Hadoop, Spark, and distributed computing to extract insights from massive amounts of data.
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1. Data Cleaning: Data cleaning is the process of identifying and correcting or removing errors, inconsistencies, and inaccuracies in a dataset. It is a crucial step in the data science pipeline as it ensures the quality and reliability of the data.
2. Exploratory Data Analysis (EDA): EDA is the process of analyzing and visualizing data to gain insights and understand the underlying patterns and relationships. It involves techniques such as summary statistics, data visualization, and correlation analysis.
3. Feature Engineering: Feature engineering is the process of creating new features or transforming existing features in a dataset to improve the performance of machine learning models. It involves techniques such as encoding categorical variables, scaling numerical variables, and creating interaction terms.
4. Machine Learning Algorithms: Machine learning algorithms are mathematical models that learn patterns and relationships from data to make predictions or decisions. Some important machine learning algorithms include linear regression, logistic regression, decision trees, random forests, support vector machines, and neural networks.
5. Model Evaluation and Validation: Model evaluation and validation involve assessing the performance of machine learning models on unseen data. It includes techniques such as cross-validation, confusion matrix, precision, recall, F1 score, and ROC curve analysis.
6. Feature Selection: Feature selection is the process of selecting the most relevant features from a dataset to improve model performance and reduce overfitting. It involves techniques such as correlation analysis, backward elimination, forward selection, and regularization methods.
7. Dimensionality Reduction: Dimensionality reduction techniques are used to reduce the number of features in a dataset while preserving the most important information. Principal Component Analysis (PCA) and t-SNE (t-Distributed Stochastic Neighbor Embedding) are common dimensionality reduction techniques.
8. Model Optimization: Model optimization involves fine-tuning the parameters and hyperparameters of machine learning models to achieve the best performance. Techniques such as grid search, random search, and Bayesian optimization are used for model optimization.
9. Data Visualization: Data visualization is the graphical representation of data to communicate insights and patterns effectively. It involves using charts, graphs, and plots to present data in a visually appealing and understandable manner.
10. Big Data Analytics: Big data analytics refers to the process of analyzing large and complex datasets that cannot be processed using traditional data processing techniques. It involves technologies such as Hadoop, Spark, and distributed computing to extract insights from massive amounts of data.
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❤2
𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗦𝗤𝗟 𝗖𝗮𝗻 𝗕𝗲 𝗙𝘂𝗻! 𝟰 𝗜𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝗧𝗵𝗮𝘁 𝗙𝗲𝗲𝗹 𝗟𝗶𝗸𝗲 𝗮 𝗚𝗮𝗺𝗲😍
Think SQL is all about dry syntax and boring tutorials? Think again.🤔
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❤1
Artificial intelligence can change your career by 180 degrees! 📌
Here's how you can start with AI engineering with zero experience!
The simplest definition of artificial intelligence|
Artificial intelligence (AI) is a part of computer science that creates smart systems to solve problems usually needing human intelligence.
AI includes tasks like recognizing objects and patterns, understanding voices, making predictions, and more.
Step 1: Master the prerequisites
Basics of programming
Probability and statistics essentials
Data structures
Data analysis essentials
Step 2: Get into machine learning and deep learning
Basics of data science, an intersection field
Feature engineering and machine learning
Neural networks and deep learning
Scikit-learn for machine learning along with Numpy, Pandas and matplotlib
TensorFlow, Keras and PyTorch for deep learning
Step 3: Exploring Generative Adversarial Networks (GANs)
Learn GAN fundamentals: Understand the theory behind GANs, including how the generator and discriminator work together to produce realistic data.
Hands-on projects: Build and train simple GANs using PyTorch or TensorFlow to generate images, enhance resolution, or perform style transfer.
Step 4: Get into Transformers architecture
Grasp the basics: Study the Transformer architecture's key concepts, including attention mechanisms, positional encodings, and the encoder-decoder structure.
Implementations: Use libraries like Hugging Face’s Transformers to experiment with different Transformer models, such as GPT and BERT, on NLP tasks.
Step 5: Working with Pre-trained Large Language Models
Utilize existing models: Learn how to leverage pre-trained models from libraries like Hugging Face to perform tasks like text generation, translation, and sentiment analysis.
Fine-tuning techniques: Explore strategies for fine-tuning these models on domain-specific datasets to improve performance and relevance.
Step 6: Introduction to LangChain
Understand LangChain: Familiarize yourself with LangChain, a framework designed to build applications that combine language models with external knowledge and capabilities.
Build applications: Use LangChain to develop applications that interactively use language models to process and generate information based on user queries or tasks.
Step 7: Leveraging Vector Databases
Basics of vector databases: Understand what vector databases are and why they are crucial for managing high-dimensional data typically used in AI models.
Tools and technologies: Learn to use vector databases like Milvus, Pinecone, or Weaviate, which are optimized for fast similarity search and efficient handling of vector embeddings.
Practical application: Integrate vector databases into your projects for enhanced search functionalities
Step 8: Exploration of Retrieval-Augmented Generation (RAG)
Learn the RAG approach: Understand how RAG models combine the power of retrieval (extracting information from a large database) with generative models to enhance the quality and relevance of the outputs.
Practical applications: Study case studies or research papers that showcase the use of RAG in real-world applications.
Step 9: Deployment of AI Projects
Deployment tools: Learn to use tools like Docker for containerization, Kubernetes for orchestration, and cloud services (AWS, Azure, Google Cloud) for deploying models.
Monitoring and maintenance: Understand the importance of monitoring AI systems post-deployment and how to use tools like Prometheus, Grafana, and Elastic Stack for performance tracking and logging.
Step 10: Keep building
Implement Projects and Gain Practical Experience
Work on diverse projects: Apply your knowledge to solve problems across different domains using AI, such as natural language processing, computer vision, and speech recognition.
Contribute to open-source: Participate in AI projects and contribute to open-source communities to gain experience and collaborate with others.
Hope this helps you ☺️
Here's how you can start with AI engineering with zero experience!
The simplest definition of artificial intelligence|
Artificial intelligence (AI) is a part of computer science that creates smart systems to solve problems usually needing human intelligence.
AI includes tasks like recognizing objects and patterns, understanding voices, making predictions, and more.
Step 1: Master the prerequisites
Basics of programming
Probability and statistics essentials
Data structures
Data analysis essentials
Step 2: Get into machine learning and deep learning
Basics of data science, an intersection field
Feature engineering and machine learning
Neural networks and deep learning
Scikit-learn for machine learning along with Numpy, Pandas and matplotlib
TensorFlow, Keras and PyTorch for deep learning
Step 3: Exploring Generative Adversarial Networks (GANs)
Learn GAN fundamentals: Understand the theory behind GANs, including how the generator and discriminator work together to produce realistic data.
Hands-on projects: Build and train simple GANs using PyTorch or TensorFlow to generate images, enhance resolution, or perform style transfer.
Step 4: Get into Transformers architecture
Grasp the basics: Study the Transformer architecture's key concepts, including attention mechanisms, positional encodings, and the encoder-decoder structure.
Implementations: Use libraries like Hugging Face’s Transformers to experiment with different Transformer models, such as GPT and BERT, on NLP tasks.
Step 5: Working with Pre-trained Large Language Models
Utilize existing models: Learn how to leverage pre-trained models from libraries like Hugging Face to perform tasks like text generation, translation, and sentiment analysis.
Fine-tuning techniques: Explore strategies for fine-tuning these models on domain-specific datasets to improve performance and relevance.
Step 6: Introduction to LangChain
Understand LangChain: Familiarize yourself with LangChain, a framework designed to build applications that combine language models with external knowledge and capabilities.
Build applications: Use LangChain to develop applications that interactively use language models to process and generate information based on user queries or tasks.
Step 7: Leveraging Vector Databases
Basics of vector databases: Understand what vector databases are and why they are crucial for managing high-dimensional data typically used in AI models.
Tools and technologies: Learn to use vector databases like Milvus, Pinecone, or Weaviate, which are optimized for fast similarity search and efficient handling of vector embeddings.
Practical application: Integrate vector databases into your projects for enhanced search functionalities
Step 8: Exploration of Retrieval-Augmented Generation (RAG)
Learn the RAG approach: Understand how RAG models combine the power of retrieval (extracting information from a large database) with generative models to enhance the quality and relevance of the outputs.
Practical applications: Study case studies or research papers that showcase the use of RAG in real-world applications.
Step 9: Deployment of AI Projects
Deployment tools: Learn to use tools like Docker for containerization, Kubernetes for orchestration, and cloud services (AWS, Azure, Google Cloud) for deploying models.
Monitoring and maintenance: Understand the importance of monitoring AI systems post-deployment and how to use tools like Prometheus, Grafana, and Elastic Stack for performance tracking and logging.
Step 10: Keep building
Implement Projects and Gain Practical Experience
Work on diverse projects: Apply your knowledge to solve problems across different domains using AI, such as natural language processing, computer vision, and speech recognition.
Contribute to open-source: Participate in AI projects and contribute to open-source communities to gain experience and collaborate with others.
Hope this helps you ☺️
❤1
𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 😍
- Artificial Intelligence for Beginners
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🧠 Technologies for Data Analysts!
📊 Data Manipulation & Analysis
▪️ Excel – Spreadsheet Data Analysis & Visualization
▪️ SQL – Structured Query Language for Data Extraction
▪️ Pandas (Python) – Data Analysis with DataFrames
▪️ NumPy (Python) – Numerical Computing for Large Datasets
▪️ Google Sheets – Online Collaboration for Data Analysis
📈 Data Visualization
▪️ Power BI – Business Intelligence & Dashboarding
▪️ Tableau – Interactive Data Visualization
▪️ Matplotlib (Python) – Plotting Graphs & Charts
▪️ Seaborn (Python) – Statistical Data Visualization
▪️ Google Data Studio – Free, Web-Based Visualization Tool
🔄 ETL (Extract, Transform, Load)
▪️ SQL Server Integration Services (SSIS) – Data Integration & ETL
▪️ Apache NiFi – Automating Data Flows
▪️ Talend – Data Integration for Cloud & On-premises
🧹 Data Cleaning & Preparation
▪️ OpenRefine – Clean & Transform Messy Data
▪️ Pandas Profiling (Python) – Data Profiling & Preprocessing
▪️ DataWrangler – Data Transformation Tool
📦 Data Storage & Databases
▪️ SQL – Relational Databases (MySQL, PostgreSQL, MS SQL)
▪️ NoSQL (MongoDB) – Flexible, Schema-less Data Storage
▪️ Google BigQuery – Scalable Cloud Data Warehousing
▪️ Redshift – Amazon’s Cloud Data Warehouse
⚙️ Data Automation
▪️ Alteryx – Data Blending & Advanced Analytics
▪️ Knime – Data Analytics & Reporting Automation
▪️ Zapier – Connect & Automate Data Workflows
📊 Advanced Analytics & Statistical Tools
▪️ R – Statistical Computing & Analysis
▪️ Python (SciPy, Statsmodels) – Statistical Modeling & Hypothesis Testing
▪️ SPSS – Statistical Software for Data Analysis
▪️ SAS – Advanced Analytics & Predictive Modeling
🌐 Collaboration & Reporting
▪️ Power BI Service – Online Sharing & Collaboration for Dashboards
▪️ Tableau Online – Cloud-Based Visualization & Sharing
▪️ Google Analytics – Web Traffic Data Insights
▪️ Trello / JIRA – Project & Task Management for Data Projects
Data-Driven Decisions with the Right Tools!
React ❤️ for more
📊 Data Manipulation & Analysis
▪️ Excel – Spreadsheet Data Analysis & Visualization
▪️ SQL – Structured Query Language for Data Extraction
▪️ Pandas (Python) – Data Analysis with DataFrames
▪️ NumPy (Python) – Numerical Computing for Large Datasets
▪️ Google Sheets – Online Collaboration for Data Analysis
📈 Data Visualization
▪️ Power BI – Business Intelligence & Dashboarding
▪️ Tableau – Interactive Data Visualization
▪️ Matplotlib (Python) – Plotting Graphs & Charts
▪️ Seaborn (Python) – Statistical Data Visualization
▪️ Google Data Studio – Free, Web-Based Visualization Tool
🔄 ETL (Extract, Transform, Load)
▪️ SQL Server Integration Services (SSIS) – Data Integration & ETL
▪️ Apache NiFi – Automating Data Flows
▪️ Talend – Data Integration for Cloud & On-premises
🧹 Data Cleaning & Preparation
▪️ OpenRefine – Clean & Transform Messy Data
▪️ Pandas Profiling (Python) – Data Profiling & Preprocessing
▪️ DataWrangler – Data Transformation Tool
📦 Data Storage & Databases
▪️ SQL – Relational Databases (MySQL, PostgreSQL, MS SQL)
▪️ NoSQL (MongoDB) – Flexible, Schema-less Data Storage
▪️ Google BigQuery – Scalable Cloud Data Warehousing
▪️ Redshift – Amazon’s Cloud Data Warehouse
⚙️ Data Automation
▪️ Alteryx – Data Blending & Advanced Analytics
▪️ Knime – Data Analytics & Reporting Automation
▪️ Zapier – Connect & Automate Data Workflows
📊 Advanced Analytics & Statistical Tools
▪️ R – Statistical Computing & Analysis
▪️ Python (SciPy, Statsmodels) – Statistical Modeling & Hypothesis Testing
▪️ SPSS – Statistical Software for Data Analysis
▪️ SAS – Advanced Analytics & Predictive Modeling
🌐 Collaboration & Reporting
▪️ Power BI Service – Online Sharing & Collaboration for Dashboards
▪️ Tableau Online – Cloud-Based Visualization & Sharing
▪️ Google Analytics – Web Traffic Data Insights
▪️ Trello / JIRA – Project & Task Management for Data Projects
Data-Driven Decisions with the Right Tools!
React ❤️ for more
❤2
𝗙𝘂𝗹𝗹𝘀𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗙𝗥𝗘𝗘 𝗗𝗲𝗺𝗼 𝗖𝗹𝗮𝘀𝘀 𝗜𝗻 𝗣𝘂𝗻𝗲😍
Master Coding Skills & Get Your Dream Job In Top Tech Companies
Designed by the Top 1% from IITs and top MNCs.
𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝘀:-
- Unlock Opportunities With 500+ Hiring Partners
- 100% Placement assistance
- 60+ hiring drives each month
𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:-
https://pdlink.in/3YA32zi
Location:- Baner, Pune
Master Coding Skills & Get Your Dream Job In Top Tech Companies
Designed by the Top 1% from IITs and top MNCs.
𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝘀:-
- Unlock Opportunities With 500+ Hiring Partners
- 100% Placement assistance
- 60+ hiring drives each month
𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇:-
https://pdlink.in/3YA32zi
Location:- Baner, Pune
15 Coding Project Ideas 🚀
Beginner Level:
1. 🗂️ File Organizer Script
2. 🧾 Expense Tracker (CLI or GUI)
3. 🔐 Password Generator
4. 📅 Simple Calendar App
5. 🕹️ Number Guessing Game
Intermediate Level:
6. 📰 News Aggregator using API
7. 📧 Email Sender App
8. 🗳️ Polling/Voting System
9. 🧑🎓 Student Management System
10. 🏷️ URL Shortener
Advanced Level:
11. 🗣️ Real-Time Chat App (with backend)
12. 📦 Inventory Management System
13. 🏦 Budgeting App with Charts
14. 🏥 Appointment Booking System
15. 🧠 AI-powered Text Summarizer
Credits: https://whatsapp.com/channel/0029VazkxJ62UPB7OQhBE502
React ❤️ for more
Beginner Level:
1. 🗂️ File Organizer Script
2. 🧾 Expense Tracker (CLI or GUI)
3. 🔐 Password Generator
4. 📅 Simple Calendar App
5. 🕹️ Number Guessing Game
Intermediate Level:
6. 📰 News Aggregator using API
7. 📧 Email Sender App
8. 🗳️ Polling/Voting System
9. 🧑🎓 Student Management System
10. 🏷️ URL Shortener
Advanced Level:
11. 🗣️ Real-Time Chat App (with backend)
12. 📦 Inventory Management System
13. 🏦 Budgeting App with Charts
14. 🏥 Appointment Booking System
15. 🧠 AI-powered Text Summarizer
Credits: https://whatsapp.com/channel/0029VazkxJ62UPB7OQhBE502
React ❤️ for more
❤2
𝗧𝗼𝗽 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗶𝗻𝗴 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 😍
TCS :- https://pdlink.in/4cHavCa
Infosys :- https://pdlink.in/4jsHZXf
Cisco :- https://pdlink.in/4fYr1xO
HP :- https://pdlink.in/3DrNsxI
IBM :- https://pdlink.in/44GsWoC
Google:- https://pdlink.in/3YsujTV
Microsoft :- https://pdlink.in/40OgK1w
Enroll For FREE & Get Certified 🎓
TCS :- https://pdlink.in/4cHavCa
Infosys :- https://pdlink.in/4jsHZXf
Cisco :- https://pdlink.in/4fYr1xO
HP :- https://pdlink.in/3DrNsxI
IBM :- https://pdlink.in/44GsWoC
Google:- https://pdlink.in/3YsujTV
Microsoft :- https://pdlink.in/40OgK1w
Enroll For FREE & Get Certified 🎓
Java Developer Interview ❤
It'll gonna be super helpful for YOU
𝗧𝗼𝗽𝗶𝗰 𝟭: 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗳𝗹𝗼𝘄 𝗮𝗻𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲
- Please tell me about your project and its architecture, Challenges faced?
- What was your role in the project? Tech Stack of project? why this stack?
- Problem you solved during the project? How collaboration within the team?
- What lessons did you learn from working on this project?
- If you could go back, what would you do differently in this project?
𝗧𝗼𝗽𝗶𝗰 𝟮: 𝗖𝗼𝗿𝗲 𝗝𝗮𝘃𝗮
- String Concepts/Hashcode- Equal Methods
- Immutability
- OOPS concepts
- Serialization
- Collection Framework
- Exception Handling
- Multithreading
- Java Memory Model
- Garbage collection
𝗧𝗼𝗽𝗶𝗰 𝟯: 𝗝𝗮𝘃𝗮-𝟴/𝗝𝗮𝘃𝗮-𝟭𝟭/𝗝𝗮𝘃𝗮𝟭𝟳
- Java 8 features
- Default/Static methods
- Lambda expression
- Functional interfaces
- Optional API
- Stream API
- Pattern matching
- Text block
- Modules
𝗧𝗼𝗽𝗶𝗰 𝟰: 𝗦𝗽𝗿𝗶𝗻𝗴 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸, 𝗦𝗽𝗿𝗶𝗻𝗴-𝗕𝗼𝗼𝘁, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲, 𝗮𝗻𝗱 𝗥𝗲𝘀𝘁 𝗔𝗣𝗜
- Dependency Injection/IOC, Spring MVC
- Configuration, Annotations, CRUD
- Bean, Scopes, Profiles, Bean lifecycle
- App context/Bean context
- AOP, Exception Handler, Control Advice
- Security (JWT, Oauth)
- Actuators
- WebFlux and Mono Framework
- HTTP methods
- JPA
- Microservice concepts
- Spring Cloud
𝗧𝗼𝗽𝗶𝗰 𝟱: 𝗛𝗶𝗯𝗲𝗿𝗻𝗮𝘁𝗲/𝗦𝗽𝗿𝗶𝗻𝗴-𝗱𝗮𝘁𝗮 𝗝𝗽𝗮/𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 (𝗦𝗤𝗟 𝗼𝗿 𝗡𝗼𝗦𝗤𝗟)
- JPA Repositories
- Relationship with Entities
- SQL queries on Employee department
- Queries, Highest Nth salary queries
- Relational and No-Relational DB concepts
- CRUD operations in DB
- Joins, indexing, procs, function
𝗧𝗼𝗽𝗶𝗰 𝟲: 𝗖𝗼𝗱𝗶𝗻𝗴
- DSA Related Questions
- Sorting and searching using Java API.
- Stream API coding Questions
𝗧𝗼𝗽𝗶𝗰 𝟳: 𝗗𝗲𝘃𝗼𝗽𝘀 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗼𝗻 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀
- These types of topics are mostly asked by managers or leads who are heavily working on it, That's why they may grill you on DevOps/deployment-related tools, You should have an understanding of common tools like Jenkins, Kubernetes, Kafka, Cloud, and all.
𝗧𝗼𝗽𝗶𝗰𝘀 𝟴: 𝗕𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲
- The interviewer always wanted to ask about some design patterns, it may be Normal design patterns like singleton, factory, or observer patterns to know that you can use these in coding.
Make sure to scroll through the above messages 💝 definitely you will get the more interesting things 🤠
All the best 👍👍
It'll gonna be super helpful for YOU
𝗧𝗼𝗽𝗶𝗰 𝟭: 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗳𝗹𝗼𝘄 𝗮𝗻𝗱 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲
- Please tell me about your project and its architecture, Challenges faced?
- What was your role in the project? Tech Stack of project? why this stack?
- Problem you solved during the project? How collaboration within the team?
- What lessons did you learn from working on this project?
- If you could go back, what would you do differently in this project?
𝗧𝗼𝗽𝗶𝗰 𝟮: 𝗖𝗼𝗿𝗲 𝗝𝗮𝘃𝗮
- String Concepts/Hashcode- Equal Methods
- Immutability
- OOPS concepts
- Serialization
- Collection Framework
- Exception Handling
- Multithreading
- Java Memory Model
- Garbage collection
𝗧𝗼𝗽𝗶𝗰 𝟯: 𝗝𝗮𝘃𝗮-𝟴/𝗝𝗮𝘃𝗮-𝟭𝟭/𝗝𝗮𝘃𝗮𝟭𝟳
- Java 8 features
- Default/Static methods
- Lambda expression
- Functional interfaces
- Optional API
- Stream API
- Pattern matching
- Text block
- Modules
𝗧𝗼𝗽𝗶𝗰 𝟰: 𝗦𝗽𝗿𝗶𝗻𝗴 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸, 𝗦𝗽𝗿𝗶𝗻𝗴-𝗕𝗼𝗼𝘁, 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲, 𝗮𝗻𝗱 𝗥𝗲𝘀𝘁 𝗔𝗣𝗜
- Dependency Injection/IOC, Spring MVC
- Configuration, Annotations, CRUD
- Bean, Scopes, Profiles, Bean lifecycle
- App context/Bean context
- AOP, Exception Handler, Control Advice
- Security (JWT, Oauth)
- Actuators
- WebFlux and Mono Framework
- HTTP methods
- JPA
- Microservice concepts
- Spring Cloud
𝗧𝗼𝗽𝗶𝗰 𝟱: 𝗛𝗶𝗯𝗲𝗿𝗻𝗮𝘁𝗲/𝗦𝗽𝗿𝗶𝗻𝗴-𝗱𝗮𝘁𝗮 𝗝𝗽𝗮/𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 (𝗦𝗤𝗟 𝗼𝗿 𝗡𝗼𝗦𝗤𝗟)
- JPA Repositories
- Relationship with Entities
- SQL queries on Employee department
- Queries, Highest Nth salary queries
- Relational and No-Relational DB concepts
- CRUD operations in DB
- Joins, indexing, procs, function
𝗧𝗼𝗽𝗶𝗰 𝟲: 𝗖𝗼𝗱𝗶𝗻𝗴
- DSA Related Questions
- Sorting and searching using Java API.
- Stream API coding Questions
𝗧𝗼𝗽𝗶𝗰 𝟳: 𝗗𝗲𝘃𝗼𝗽𝘀 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀 𝗼𝗻 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀
- These types of topics are mostly asked by managers or leads who are heavily working on it, That's why they may grill you on DevOps/deployment-related tools, You should have an understanding of common tools like Jenkins, Kubernetes, Kafka, Cloud, and all.
𝗧𝗼𝗽𝗶𝗰𝘀 𝟴: 𝗕𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲
- The interviewer always wanted to ask about some design patterns, it may be Normal design patterns like singleton, factory, or observer patterns to know that you can use these in coding.
Make sure to scroll through the above messages 💝 definitely you will get the more interesting things 🤠
All the best 👍👍
❤2
𝗕𝗲𝗰𝗼𝗺𝗲 𝗮 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘀𝘁 𝗜𝗻 𝗧𝗼𝗽 𝗠𝗡𝗖𝘀😍
Learn Data Analytics, Data Science & AI From Top Data Experts
Curriculum designed and taught by Alumni from IITs & Leading Tech Companies.
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- 12.65 Lakhs Highest Salary
- 500+ Partner Companies
- 100% Job Assistance
- 5.7 LPA Average Salary
𝗕𝗼𝗼𝗸 𝗮 𝗙𝗥𝗘𝗘 𝗖𝗼𝘂𝗻𝘀𝗲𝗹𝗹𝗶𝗻𝗴 𝗦𝗲𝘀𝘀𝗶𝗼𝗻👇 :
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(Hurry Up🏃♂️. Limited Slots )
Learn Data Analytics, Data Science & AI From Top Data Experts
Curriculum designed and taught by Alumni from IITs & Leading Tech Companies.
𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝘀:-
- 12.65 Lakhs Highest Salary
- 500+ Partner Companies
- 100% Job Assistance
- 5.7 LPA Average Salary
𝗕𝗼𝗼𝗸 𝗮 𝗙𝗥𝗘𝗘 𝗖𝗼𝘂𝗻𝘀𝗲𝗹𝗹𝗶𝗻𝗴 𝗦𝗲𝘀𝘀𝗶𝗼𝗻👇 :
https://bit.ly/4g3kyT6
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Machine learning is a subset of artificial intelligence that involves developing algorithms and models that enable computers to learn from and make predictions or decisions based on data. In machine learning, computers are trained on large datasets to identify patterns, relationships, and trends without being explicitly programmed to do so.
There are three main types of machine learning: supervised learning, unsupervised learning, and reinforcement learning. In supervised learning, the algorithm is trained on labeled data, where the correct output is provided along with the input data. Unsupervised learning involves training the algorithm on unlabeled data, allowing it to identify patterns and relationships on its own. Reinforcement learning involves training an algorithm to make decisions by rewarding or punishing it based on its actions.
Machine learning algorithms can be used for a wide range of applications, including image and speech recognition, natural language processing, recommendation systems, predictive analytics, and more. These algorithms can be trained using various techniques such as neural networks, decision trees, support vector machines, and clustering algorithms.
Free Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
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There are three main types of machine learning: supervised learning, unsupervised learning, and reinforcement learning. In supervised learning, the algorithm is trained on labeled data, where the correct output is provided along with the input data. Unsupervised learning involves training the algorithm on unlabeled data, allowing it to identify patterns and relationships on its own. Reinforcement learning involves training an algorithm to make decisions by rewarding or punishing it based on its actions.
Machine learning algorithms can be used for a wide range of applications, including image and speech recognition, natural language processing, recommendation systems, predictive analytics, and more. These algorithms can be trained using various techniques such as neural networks, decision trees, support vector machines, and clustering algorithms.
Free Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
React ❤️ for more free resources
❤1
Forwarded from Data Analytics
🚀 𝗧𝗼𝗽 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗩𝗶𝗿𝘁𝘂𝗮𝗹 𝗜𝗻𝘁𝗲𝗿𝗻𝘀𝗵𝗶𝗽𝘀 – 𝗙𝗥𝗘𝗘 & 𝗢𝗻𝗹𝗶𝗻𝗲😍
Boost your resume with real-world experience from global giants! 💼📊
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Frontend web development:
https://www.w3schools.com/html
https://www.w3schools.com/css
https://www.jschallenger.com
https://javanoscript30.com
https://news.1rj.ru/str/webdevcoursefree/110
https://news.1rj.ru/str/Programming_experts/107
Backend development:
https://learnpython.org/
https://news.1rj.ru/str/pythondevelopersindia/314
https://www.geeksforgeeks.org/java/
https://introcs.cs.princeton.edu/java/11cheatsheet/
https://docs.microsoft.com/en-us/shows/beginners-series-to-nodejs/?languages=nodejs
Database:
https://mode.com/sql-tutorial/introduction-to-sql
https://www.sqltutorial.org/wp-content/uploads/2016/04/SQL-cheat-sheet.pdf
https://books.goalkicker.com/MySQLBook/MySQLNotesForProfessionals.pdf
https://docs.oracle.com/cd/B19306_01/server.102/b14200.pdf
https://leetcode.com/problemset/database/
Cloud Computing:
https://bit.ly/3aoxt1N
https://news.1rj.ru/str/free4unow_backup/366
UI/UX:
https://www.freecodecamp.org/learn/responsive-web-design/
https://bit.ly/3r6F9xE
ENJOY LEARNING 👍👍
https://www.w3schools.com/html
https://www.w3schools.com/css
https://www.jschallenger.com
https://javanoscript30.com
https://news.1rj.ru/str/webdevcoursefree/110
https://news.1rj.ru/str/Programming_experts/107
Backend development:
https://learnpython.org/
https://news.1rj.ru/str/pythondevelopersindia/314
https://www.geeksforgeeks.org/java/
https://introcs.cs.princeton.edu/java/11cheatsheet/
https://docs.microsoft.com/en-us/shows/beginners-series-to-nodejs/?languages=nodejs
Database:
https://mode.com/sql-tutorial/introduction-to-sql
https://www.sqltutorial.org/wp-content/uploads/2016/04/SQL-cheat-sheet.pdf
https://books.goalkicker.com/MySQLBook/MySQLNotesForProfessionals.pdf
https://docs.oracle.com/cd/B19306_01/server.102/b14200.pdf
https://leetcode.com/problemset/database/
Cloud Computing:
https://bit.ly/3aoxt1N
https://news.1rj.ru/str/free4unow_backup/366
UI/UX:
https://www.freecodecamp.org/learn/responsive-web-design/
https://bit.ly/3r6F9xE
ENJOY LEARNING 👍👍
❤1
𝗙𝗥𝗘𝗘 𝗢𝗻𝗹𝗶𝗻𝗲 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝗧𝗼 𝗘𝗻𝗿𝗼𝗹𝗹 𝗜𝗻 𝟮𝟬𝟮𝟱 😍
Learn Fundamental Skills with Free Online Courses & Earn Certificates
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Enroll for FREE & Get Certified 🎓
Learn Fundamental Skills with Free Online Courses & Earn Certificates
SQL:- https://pdlink.in/4lvR4zF
AWS:- https://pdlink.in/4nriVCH
Cybersecurity:- https://pdlink.in/3T6pg8O
Data Analytics:- https://pdlink.in/43TGwnM
Enroll for FREE & Get Certified 🎓
If you want to Excel at Frontend Development and build stunning user interfaces, master these essential skills:
Core Technologies:
• HTML5 & Semantic Tags – Clean and accessible structure
• CSS3 & Preprocessors (SASS, SCSS) – Advanced styling
• JavaScript ES6+ – Arrow functions, Promises, Async/Await
CSS Frameworks & UI Libraries:
• Bootstrap & Tailwind CSS – Speed up styling
• Flexbox & CSS Grid – Modern layout techniques
• Material UI, Ant Design, Chakra UI – Prebuilt UI components
JavaScript Frameworks & Libraries:
• React.js – Component-based UI development
• Vue.js / Angular – Alternative frontend frameworks
• Next.js & Nuxt.js – Server-side rendering (SSR) & static site generation
State Management:
• Redux / Context API (React) – Manage complex state
• Pinia / Vuex (Vue) – Efficient state handling
API Integration & Data Handling:
• Fetch API & Axios – Consume RESTful APIs
• GraphQL & Apollo Client – Query APIs efficiently
Frontend Optimization & Performance:
• Lazy Loading & Code Splitting – Faster load times
• Web Performance Optimization (Lighthouse, Core Web Vitals)
Version Control & Deployment:
• Git & GitHub – Track changes and collaborate
• CI/CD & Hosting – Deploy with Vercel, Netlify, Firebase
Like it if you need a complete tutorial on all these topics! 👍❤️
Web Development Best Resources
ENJOY LEARNING 👍👍
Core Technologies:
• HTML5 & Semantic Tags – Clean and accessible structure
• CSS3 & Preprocessors (SASS, SCSS) – Advanced styling
• JavaScript ES6+ – Arrow functions, Promises, Async/Await
CSS Frameworks & UI Libraries:
• Bootstrap & Tailwind CSS – Speed up styling
• Flexbox & CSS Grid – Modern layout techniques
• Material UI, Ant Design, Chakra UI – Prebuilt UI components
JavaScript Frameworks & Libraries:
• React.js – Component-based UI development
• Vue.js / Angular – Alternative frontend frameworks
• Next.js & Nuxt.js – Server-side rendering (SSR) & static site generation
State Management:
• Redux / Context API (React) – Manage complex state
• Pinia / Vuex (Vue) – Efficient state handling
API Integration & Data Handling:
• Fetch API & Axios – Consume RESTful APIs
• GraphQL & Apollo Client – Query APIs efficiently
Frontend Optimization & Performance:
• Lazy Loading & Code Splitting – Faster load times
• Web Performance Optimization (Lighthouse, Core Web Vitals)
Version Control & Deployment:
• Git & GitHub – Track changes and collaborate
• CI/CD & Hosting – Deploy with Vercel, Netlify, Firebase
Like it if you need a complete tutorial on all these topics! 👍❤️
Web Development Best Resources
ENJOY LEARNING 👍👍
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𝗦𝘁𝗮𝗿𝘁 𝗮 𝗖𝗮𝗿𝗲𝗲𝗿 𝗶𝗻 𝗗𝗮𝘁𝗮 𝗼𝗿 𝗧𝗲𝗰𝗵 (𝗙𝗿𝗲𝗲 𝗕𝗲𝗴𝗶𝗻𝗻𝗲𝗿 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗣𝗮𝘁𝗵)😍
Dreaming of a career in data or tech but don’t know where to begin?👨💻📌
Don’t worry — this step-by-step FREE learning path will guide you from scratch to job-ready, without spending a rupee! 💻💼
𝐋𝐢𝐧𝐤👇:-
https://pdlink.in/45HFUDh
Enjoy Learning ✅️
Dreaming of a career in data or tech but don’t know where to begin?👨💻📌
Don’t worry — this step-by-step FREE learning path will guide you from scratch to job-ready, without spending a rupee! 💻💼
𝐋𝐢𝐧𝐤👇:-
https://pdlink.in/45HFUDh
Enjoy Learning ✅️
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