मरणासन्न अवस्था वाला

Which SQL clause is used to filter rows based on a specified condition *after* grouping has been performed?

Which of the following concurrency control methods avoids deadlocks entirely but can reduce concurrency by blocking transactions at start?

Which isolation level allows dirty reads?

Indexes improve query performance but can degrade performance of:

Which of the following is NOT a type of database model?

In a relational database, which relationship allows multiple records in one table to be associated with multiple records in another table?

Which key uniquely identifies a record in a table?

During transaction before commit which of the following statements is done automatically in case of shutdown?

If every non-key attribute is functionally dependent on the primary key, the relation will be in

Which type of attack exploits software bugs to execute arbitrary code on a system?