🔰اسئلة قواعد البيانات🔰
### أسئلة اختيار من متعدد (Multiple-Choice Questions):
1. What is the main focus of conceptual database design?
- a) Physical storage
- b) User interface
- c) Designing the conceptual schema
- d) Data retrieval
- Answer: c) Designing the conceptual schema
2. Which of the following is a key attribute?
- a) Salary
- b) Address
- c) SSN
- d) BirthDate
- Answer: c) SSN
3. Which type of attribute consists of multiple components?
- a) Simple
- b) Composite
- c) Multivalued
- d) Derived
- Answer: b) Composite
4. What is an example of a multivalued attribute?
- a) SSN
- b) Address
- c) PreviousDegrees
- d) BirthDate
- Answer: c) PreviousDegrees
5. In an ER diagram, how are key attributes represented?
- a) Double oval
- b) Single oval
- c) Underlined
- d) Rectangle
- Answer: c) Underlined
6. What type of relationship exists between EMPLOYEE and PROJECT in the WORKS_ON relationship?
- a) One-to-one
- b) One-to-many
- c) Many-to-many
- d) Recursive
- Answer: c) Many-to-many
7. Which entity type must participate in an identifying relationship?
- a) Strong entity
- b) Weak entity
- c) Recursive entity
- d) Composite entity
- Answer: b) Weak entity
8. How is a multivalued attribute represented in an ER diagram?
- a) Double rectangle
- b) Double oval
- c) Single oval
- d) Underlined oval
- Answer: b) Double oval
9. Which of the following best describes a recursive relationship?
- a) A relationship between different entities
- b) A relationship where an entity is related to itself
- c) A relationship between a weak and strong entity
- d) A relationship with multiple attributes
- Answer: b) A relationship where an entity is related to itself
10. Which of the following is NOT a type of attribute in the ER model?
- a) Composite
- b) Derived
- c) Unique
- d) Multivalued
- Answer: c) Unique
11. Which entity set has a unique value for each key attribute?
- a) Weak entity set
- b) Strong entity set
- c) Recursive entity set
- d) Multivalued entity set
- Answer: b) Strong entity set
12. What is the cardinality ratio of a relationship where one department has many employees?
- a) One-to-one
- b) One-to-many
- c) Many-to-one
- d) Many-to-many
- Answer: b) One-to-many
13. Which of the following constraints specifies mandatory participation in a relationship?
- a) Total participation
- b) Partial participation
- c) Optional participation
- d) Cardinality ratio
- Answer: a) Total participation
14. In a weak entity relationship, the identifying relationship is represented by:
- a) Solid line
- b) Dashed line
- c) Double line
- d) Single line
- Answer: c) Double line
15. Which of the following is an example of an identifying relationship?
- a) WORKS_ON
- b) CONTROLS
- c) DEPENDENT_OF
- d) SUPERVISION
- Answer: c) DEPENDENT_OF
---
1. A key attribute must have a unique value for each entity.
- Answer: True
2. Composite attributes are represented by double ovals in an ER diagram.
- Answer: False – Composite attributes are represented by single ovals connected to component attributes.
3. A relationship type in ER diagrams is displayed as a diamond-shaped box.
- Answer: True
4. A weak entity does not need an identifying relationship with another entity.
- Answer: False – A weak entity requires an identifying relationship with a strong entity.
5. Multivalued attributes are represented with single ovals in ER diagrams.
- Answer: False – They are represented with double ovals.
### أسئلة اختيار من متعدد (Multiple-Choice Questions):
1. What is the main focus of conceptual database design?
- a) Physical storage
- b) User interface
- c) Designing the conceptual schema
- d) Data retrieval
- Answer: c) Designing the conceptual schema
2. Which of the following is a key attribute?
- a) Salary
- b) Address
- c) SSN
- d) BirthDate
- Answer: c) SSN
3. Which type of attribute consists of multiple components?
- a) Simple
- b) Composite
- c) Multivalued
- d) Derived
- Answer: b) Composite
4. What is an example of a multivalued attribute?
- a) SSN
- b) Address
- c) PreviousDegrees
- d) BirthDate
- Answer: c) PreviousDegrees
5. In an ER diagram, how are key attributes represented?
- a) Double oval
- b) Single oval
- c) Underlined
- d) Rectangle
- Answer: c) Underlined
6. What type of relationship exists between EMPLOYEE and PROJECT in the WORKS_ON relationship?
- a) One-to-one
- b) One-to-many
- c) Many-to-many
- d) Recursive
- Answer: c) Many-to-many
7. Which entity type must participate in an identifying relationship?
- a) Strong entity
- b) Weak entity
- c) Recursive entity
- d) Composite entity
- Answer: b) Weak entity
8. How is a multivalued attribute represented in an ER diagram?
- a) Double rectangle
- b) Double oval
- c) Single oval
- d) Underlined oval
- Answer: b) Double oval
9. Which of the following best describes a recursive relationship?
- a) A relationship between different entities
- b) A relationship where an entity is related to itself
- c) A relationship between a weak and strong entity
- d) A relationship with multiple attributes
- Answer: b) A relationship where an entity is related to itself
10. Which of the following is NOT a type of attribute in the ER model?
- a) Composite
- b) Derived
- c) Unique
- d) Multivalued
- Answer: c) Unique
11. Which entity set has a unique value for each key attribute?
- a) Weak entity set
- b) Strong entity set
- c) Recursive entity set
- d) Multivalued entity set
- Answer: b) Strong entity set
12. What is the cardinality ratio of a relationship where one department has many employees?
- a) One-to-one
- b) One-to-many
- c) Many-to-one
- d) Many-to-many
- Answer: b) One-to-many
13. Which of the following constraints specifies mandatory participation in a relationship?
- a) Total participation
- b) Partial participation
- c) Optional participation
- d) Cardinality ratio
- Answer: a) Total participation
14. In a weak entity relationship, the identifying relationship is represented by:
- a) Solid line
- b) Dashed line
- c) Double line
- d) Single line
- Answer: c) Double line
15. Which of the following is an example of an identifying relationship?
- a) WORKS_ON
- b) CONTROLS
- c) DEPENDENT_OF
- d) SUPERVISION
- Answer: c) DEPENDENT_OF
---
1. A key attribute must have a unique value for each entity.
- Answer: True
2. Composite attributes are represented by double ovals in an ER diagram.
- Answer: False – Composite attributes are represented by single ovals connected to component attributes.
3. A relationship type in ER diagrams is displayed as a diamond-shaped box.
- Answer: True
4. A weak entity does not need an identifying relationship with another entity.
- Answer: False – A weak entity requires an identifying relationship with a strong entity.
5. Multivalued attributes are represented with single ovals in ER diagrams.
- Answer: False – They are represented with double ovals.
6. In a many-to-many relationship, both participating entities can have multiple related entities.
- Answer: True
7. A recursive relationship involves two different types of entities.
- Answer: False – A recursive relationship involves the same entity type participating in different roles.
8. A one-to-one relationship means that each entity in one set is related to exactly one entity in the other set.
- Answer: True
9. In a one-to-many relationship, an entity on the 'many' side can be associated with multiple entities on the 'one' side.
- Answer: False – In a one-to-many relationship, an entity on the 'many' side is associated with only one entity on the 'one' side.
10. A weak entity's key is a combination of a partial key and the key of its identifying entity.
- Answer: True
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#Database_System
- Answer: True
7. A recursive relationship involves two different types of entities.
- Answer: False – A recursive relationship involves the same entity type participating in different roles.
8. A one-to-one relationship means that each entity in one set is related to exactly one entity in the other set.
- Answer: True
9. In a one-to-many relationship, an entity on the 'many' side can be associated with multiple entities on the 'one' side.
- Answer: False – In a one-to-many relationship, an entity on the 'many' side is associated with only one entity on the 'one' side.
10. A weak entity's key is a combination of a partial key and the key of its identifying entity.
- Answer: True
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#مشاركه من أحد طلاب الدفعة
دعواتكم له
#منصور_نعمان
#Database_System
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أمن سيبراني الدفعة الثانيـــ2ــة جامعة صنعاء
تشابتر 3-1.pdf
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ترجمه نظيفة لأول ٤ تشابترات قواعد بيانات مع ٣٠ سؤال اختيار من متعدد نهاية كل تشابتر
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ترجمه نظيفة لأول ٤ تشابترات قواعد بيانات مع ٣٠ سؤال اختيار من متعدد نهاية كل تشابتر
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🔰اختبار الويب CYS 2024🔰
💢الذي يشتي يراجع الاختبار💢
🔶🔶🔶🔶🔶🔶🔶
🟢اختار الاجابه الغلط
1-Which is used for formatting text:
<code>
<ins>
<font>
<mark>
2-Where is the correct place to insert a JavaScript in html page?
- <body>
- <head> or <body>
- <head>
- external file
الاجابه: اعتقد external file
3-Web 2.0 the content include:
- Artical
- images
- video
- font
5-the attributes that used in <div>
- name
- type
- Id
- class
الاجابه:type
6- which are the properties of browsers windows :
- length
- screen
- parent
- alert()
الاجابه: ()alert
7-choose incorrect css selector:
- div.p
- div .p
- div p
الاجابه: div.p
🟢True or False
1- in JavaScript almost every thing in js is object (true)
2-When using the margin property; are you allowed to use negative values?(true)
3-The pure of js work in server-side (false)
4-servers allow users to navigate the www using GUI (false)
5-The html syntax include a range of tags ,this tags are often treated differently by browser and they can be used to describe the content of blocks on the page(true)
6-the visible part of the html document is between <html> and </html>(false)
7-Tag iframe is used to display web page within web(true) page(ما اتذكر صيغة السؤال بالضبط)
8-Array in js cannot accept fill out different types of variables(false)
🟢اختار الاجابه الصحيحه
١-from html which property that change the color of text :
- text-color
- color
- background-color
2-The property that control the size of text:
Font-style
Font-size
Text-style
Text-size
3-Which is the correct CSS syntax?
- Style={body:color =black}
- Body{color:black;}
- Body:color=black;
- {body:color=black;}
4-How do you add a background color for all <h1> elements?
- h1 all{background-color:blue;}
- *{background-color:blue;}
- all.h1{background-color: blue;}
- h1{background-color:blue;}
5-Web 2.0 the content include:
- Artical
- images
- video
- font
6-const fun = function (a, b) { return a * b };
- Function expersion
- anonymous function
- function without a name
- All above
7-What is the correct HTML element for inserting a line break?
- <break>
- <br>
- <lb>
- <hr>
8-What is the correct HTML for making a drop-down list?
- <input type="dropdown">
- <select>
- <list>
- <option>
9-Which character is used to indicate an end tag?
- /
- >
- <
- \
10-In HTML, onblur and onfocus are:
- Event attributes
- hTMLelements
- attributes
- Event js
11-In HTML, which attribute is used to specify that an input field must be filled out?
- validate
- placeholder
- required
#مشاركه من أحد طلاب الدفعة
دعواتكم له بالتوفيق🙏
#بكيل_عزمان
#Web_Development
💢الذي يشتي يراجع الاختبار💢
🔶🔶🔶🔶🔶🔶🔶
🟢اختار الاجابه الغلط
1-Which is used for formatting text:
<code>
<ins>
<font>
<mark>
2-Where is the correct place to insert a JavaScript in html page?
- <body>
- <head> or <body>
- <head>
- external file
الاجابه: اعتقد external file
3-Web 2.0 the content include:
- Artical
- images
- video
- font
5-the attributes that used in <div>
- name
- type
- Id
- class
الاجابه:type
6- which are the properties of browsers windows :
- length
- screen
- parent
- alert()
الاجابه: ()alert
7-choose incorrect css selector:
- div.p
- div .p
- div p
الاجابه: div.p
🟢True or False
1- in JavaScript almost every thing in js is object (true)
2-When using the margin property; are you allowed to use negative values?(true)
3-The pure of js work in server-side (false)
4-servers allow users to navigate the www using GUI (false)
5-The html syntax include a range of tags ,this tags are often treated differently by browser and they can be used to describe the content of blocks on the page(true)
6-the visible part of the html document is between <html> and </html>(false)
7-Tag iframe is used to display web page within web(true) page(ما اتذكر صيغة السؤال بالضبط)
8-Array in js cannot accept fill out different types of variables(false)
🟢اختار الاجابه الصحيحه
١-from html which property that change the color of text :
- text-color
- color
- background-color
2-The property that control the size of text:
Font-style
Font-size
Text-style
Text-size
3-Which is the correct CSS syntax?
- Style={body:color =black}
- Body{color:black;}
- Body:color=black;
- {body:color=black;}
4-How do you add a background color for all <h1> elements?
- h1 all{background-color:blue;}
- *{background-color:blue;}
- all.h1{background-color: blue;}
- h1{background-color:blue;}
5-Web 2.0 the content include:
- Artical
- images
- video
- font
6-const fun = function (a, b) { return a * b };
- Function expersion
- anonymous function
- function without a name
- All above
7-What is the correct HTML element for inserting a line break?
- <break>
- <br>
- <lb>
- <hr>
8-What is the correct HTML for making a drop-down list?
- <input type="dropdown">
- <select>
- <list>
- <option>
9-Which character is used to indicate an end tag?
- /
- >
- <
- \
10-In HTML, onblur and onfocus are:
- Event attributes
- hTMLelements
- attributes
- Event js
11-In HTML, which attribute is used to specify that an input field must be filled out?
- validate
- placeholder
- required
#مشاركه من أحد طلاب الدفعة
دعواتكم له بالتوفيق🙏
#بكيل_عزمان
#Web_Development
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درجات قواعد نظري
في مجموعات الواتس
ملاحظة:
الذي عاد بنفسه شي يتكلم عبر البوت آخر مره اقولها 💔
#بالتوفيق
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أمن سيبراني الدفعة الثانيـــ2ــة جامعة صنعاء
لو سمحتم لو تكرمتم يا منعاه بجاه الله
معاكم تظلم او اي شي كلمونا عبر البوت
الخاص ممنوع قد تلفوني معلق
آخر التظلمات الليله وماعد بنقبل اي تظلم
معاكم تظلم او اي شي كلمونا عبر البوت
الخاص ممنوع قد تلفوني معلق
آخر التظلمات الليله وماعد بنقبل اي تظلم
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🔴تنويه🔴
رجاء الذي يرسل تظلم لا يجلس يرسله مرتين وثلاث خلاص مره تكفي حتى إذا ماحصل رد طبيعي المهم قد وصل لنا
يعني بالله عليكم نجلس نفرز الاسم ثلاث اربع مرات ماينفع
رجاء الذي يرسل تظلم لا يجلس يرسله مرتين وثلاث خلاص مره تكفي حتى إذا ماحصل رد طبيعي المهم قد وصل لنا
يعني بالله عليكم نجلس نفرز الاسم ثلاث اربع مرات ماينفع
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أمن سيبراني الدفعة الثانيـــ2ــة جامعة صنعاء
تشابتر 9.pdf
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ترجمة انظف من اللي قبلها لبقية شباتر قواعد البيانات 🫡🫡🫡
ترجمة انظف من اللي قبلها لبقية شباتر قواعد البيانات 🫡🫡🫡
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🪻 اصبحنا واصبح الملك لله ، والحمد لله 🪻
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نماذج 2024 قواعد بيانات CYS2 .pdf
1.6 MB
🔰مجموعة نماذج قواعد البيانات نصفي🔰
#مشاركه من أحد طلاب الدفعة
دعواتكم له بالتوفيق🙏
#منصور_نعمان
#Database_System
#مشاركه من أحد طلاب الدفعة
دعواتكم له بالتوفيق🙏
#منصور_نعمان
#Database_System
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🟡اللجنة العلمية CYS 2🟡
Chapter 1
اسئلة الشابتر الأول
🟨Database_System 🟨
#Chapter_1
#Week_1
#Level_2
#Cyber_Security
#Database_System
#لجميع_الجروبات.
د.#منصور_القباطي
#اسئلة👇🏻
https://news.1rj.ru/str/CYS2MCQ/2086
وباقي الشباتر إن شاء الله نكتب الاسئلة وننزلهن
🌹 بالتوفيق للجميع 🌹
Chapter 1
اسئلة الشابتر الأول
🟨Database_System 🟨
#Chapter_1
#Week_1
#Level_2
#Cyber_Security
#Database_System
#لجميع_الجروبات.
د.#منصور_القباطي
#اسئلة👇🏻
https://news.1rj.ru/str/CYS2MCQ/2086
وباقي الشباتر إن شاء الله نكتب الاسئلة وننزلهن
🌹 بالتوفيق للجميع 🌹
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الطلاب الذي قالوا ان الأسئلة فيها تلاعب ومدري ايش
المهم افتحوا الصورة وابسروا ايش قال أ.بكيل
اذا واحد متأكد من أن الاسئله فيها أخطاء يرسل لنا الاسئله وان شاءالله تتعدل درجات الكل
#هل_من_مبارز😁
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Forwarded from 🔰اللجنة العلمية 2 CYS جامعة صنعاء🔰 (Abdulrahman Khawaja)
🔰مقرر اختبار قواعد البيانات🔰
🔸CYS2 2024🔸
🔸Chapter 1
🔸Chapter 2
🔸Chapter 3
🔸Chapter 4
🔸Chapter 5
🔸Chapter 6 ( الذي 50 سلايد )
🔸Chapter 9
🔸Chapter 14
#منصور_نعمان
#Database_System
🔸CYS2 2024🔸
🔸Chapter 1
🔸Chapter 2
🔸Chapter 3
🔸Chapter 4
🔸Chapter 5
🔸Chapter 6 ( الذي 50 سلايد )
🔸Chapter 9
🔸Chapter 14
#منصور_نعمان
#Database_System
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