EDM00
Authored by Farrah Lopez
Used 1+ times
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
used to speed up access to desired data. (ex. author catalog in library)
Search key
Indexing mechanisms
Index file
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
attribute or set of attributes used to look up records in a file.
Search key
Indexing mechanisms
Index
Index file
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
- consists of records (called index entries) of the form.
- typically smaller than the original file.
Indexing mechanisms
Search key
Index file
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2 basic kinds of indices
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
search keys are stored in sorted order
Hash indices
Ordered indices
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
search keys are distributed uniformly across "buckets" using a "hash function"
Hash indices
Ordered indices
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Indexing techniques are evaluated on 5 basis. What are those 5?
(a)
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