1
GATE CSE 2000
MCQ (Single Correct Answer)
+1
-0.3
B+-trees are preferred to binary trees in databases because
A
Disk capacities are greater than memory capacities
B
Disk access is much slower than memory access
C
Disk data transfer rates are much less than memory data transfer rates
D
Disks are more reliable than memory
2
GATE CSE 1999
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is correct?
A
B-trees are for storing data on disk and B+ trees are for main memory.
B
Range queries are faster on B+ trees.
C
B-trees are for primary indexes and B+ trees are for secondary indexes.
D
The height of a B+ tree is independent of the number of records.
3
GATE CSE 1998
MCQ (Single Correct Answer)
+1
-0.3

There are five records in a database.

Name Age Occupation Category
Rama 27 CON A
Abdul 22 ENG A
Jennifer
28 DOC B
Maya 32 SER D
Dev 24 MUS C

There is an index file associated with this and it contains the values 1, 3, 2, 5 and 4. Which one of the fields is the index built from?

A
Age
B
Name
C
Occupation
D
Category
GATE CSE Subjects
Software Engineering
Web Technologies
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12