Recent questions tagged databases

2 votes
2 answers
8
​​​​​Which of the following file organizations is/are $\text{I/O}$ efficient for the scan operation in $\text{DBMS}$?SortedHeapUnclustered tree indexUnclustered...
2 votes
3 answers
13
In a $\mathrm{B}+$ tree, the requirement of at least half-full $(50 \%)$ node occupancy is relaxed for which one of the following cases?Only the root nodeAll leaf nodesAl...
1 votes
1 answer
17
4 votes
0 answers
20
0 votes
0 answers
26