Database Questions: Q1 Q2: Q3:
Posted: Sat May 14, 2022 2:49 pm
Database Questions:
Q1
Q2:
Q3:
Consider B+ tree Intra-Node Search, which of the following approaches does NOT require the key/value entries to be pre-sorted? Linear Binary Interpolation
(True/False) Grace hash join is usually the best algorithm for joins in which the join condition includes an inequality (i.e. col1 < col2). True False
(True/False) Consider the contents of output tuples generated by a join operator. The advantage of "late materialization" approach is that future operators in the query plan never need to go back to the base tables to get more data. True False
Q1
- Database Questions Q1 Q2 Q3 1 (13.26 KiB) Viewed 68 times
- Database Questions Q1 Q2 Q3 2 (11.73 KiB) Viewed 68 times
- Database Questions Q1 Q2 Q3 3 (17.87 KiB) Viewed 68 times
(True/False) Grace hash join is usually the best algorithm for joins in which the join condition includes an inequality (i.e. col1 < col2). True False
(True/False) Consider the contents of output tuples generated by a join operator. The advantage of "late materialization" approach is that future operators in the query plan never need to go back to the base tables to get more data. True False