👏2
A sparse index has an index entry for every search key value in the data file
Anonymous Quiz
54%
T
46%
F
👍1
مرفق لكم سوال الصح والخطاء في نموذج الاختبار النصفي للاستاذه سعاد عثمان
☝️☝️☝️☝️
⭕️⭕️⭕️⭕️
☝️☝️☝️☝️
⭕️⭕️⭕️⭕️
Typical block sizes range
Anonymous Quiz
23%
from 4 Kbytes to 50 Kbytes
6%
from 512 bytes to 1024 bytes
7%
from 50 bytes to 4096 bytes
63%
from 512 bytes to 4096 bytes
New records are inserted at the end of the file.
Anonymous Quiz
66%
Unordered Files
23%
ordered Files
11%
Hashed Files
various overflow locations are kept, usually by extending the array with a number of overflow positions:
Anonymous Quiz
26%
Open addressing
57%
Chaining
16%
Multiple hashing
distributes data transparently over multiple disks to make them appear as a single large, fast disk.
Anonymous Quiz
36%
Data distributed
43%
Data striping
21%
Data collection
Includes one index entry for each block in the data file
Anonymous Quiz
67%
Primary index
17%
Cluster index
17%
Secondary index
👍1
If record size R=2 bytes
block size B=4096 bytes r=12288 records, The number of file blocks is
block size B=4096 bytes r=12288 records, The number of file blocks is
Anonymous Quiz
53%
6
43%
6144
5%
1000
مرفق لكم اسئلة الاختيارات الموجوده في نموذج الامتحان النصفي للاستاذه سعاد عثمان
بالتوفيق لكم جميعا
بالتوفيق لكم جميعا
⭕️⭕️⭕️⭕️
جميع اوراق الامتحان تبعكم عندي الذي يريد يتاكد من حله وليش نقص في مادة الاستاذه سعاد يعمل لي رساله اصورها له ويوم الامتحان بجيب الاوراق معي واسلمها لكم
⭕️⭕️⭕️⭕️
جميع اوراق الامتحان تبعكم عندي الذي يريد يتاكد من حله وليش نقص في مادة الاستاذه سعاد يعمل لي رساله اصورها له ويوم الامتحان بجيب الاوراق معي واسلمها لكم
⭕️⭕️⭕️⭕️
A disk pack contains several magnetic disks connected to a rotating spindle
Anonymous Quiz
90%
T
10%
F
Linear hashing does require an overflow area but does not use a directory
Anonymous Quiz
74%
T
26%
F