Which deadlock prevention scheme allows older transactions to preempt younger ones?
Bitmap indexes are most efficient when:
Which OOP concept directly influences control flow by allowing different implementations of a method to be called based on the type of the object at run...
If every non-key attribute is functionally dependent on the primary key, the relation will be in
Which of the following concurrency control methods avoids deadlocks entirely but can reduce concurrency by blocking transactions at start?
Which constraint ensures that no duplicate values exist in a column?
In a relational schema, which normal form eliminates transitive dependencies (i.e., non-prime attribute depends on another non-prime attribute)?
Which SQL command is used to retrieve data from a table?
Which normal form ensures no partial dependency of non-prime attributes on a candidate key?
What does normalization in DBMS achieve?
