Explore topic-wise MCQs in Rdbms.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Rdbms knowledge and support exam preparation. Choose a topic below to get started.

Explore topic-wise MCQs in Rdbms.

If the database modifications occur while the transaction is still active, the transaction is said to use the __________ modification technique

A __________ checkpoint is a checkpoint where transactions are allowed to perform updates even while buffer blocks are being written out.

State true or false: Using checkpoints reduces overhead

If a transaction does not modify the database until it has committed it is said to use a _______ modification technique

A____________CHECKPOINT_IS_A_CHECKPOINT_WHERE_TRANSACTIONS_ARE_ALLOWED_TO_PERFORM_UPDATES_EVEN_WHILE_BUFFER_BLOCKS_ARE_BEING_WRITTEN_OUT.?$

If the database modifications occur while the transaction is still active, the transaction is said to use the __________ modification technique$

State true or false: Using checkpoints reduces overhea?

We say that a transaction has been ________ when its commit log record has been output to stable storage.

If a transaction does not modify the database until it has committed it is said to use a _______ modification technique

The value of the data item prior to the write is called as _________

The unique identifier of the transaction that performed the write operation is called as _______

Which of the following fields does the update log record have?

An update log record describes a ________ database write

The most widely used structure for recording database modification is called as _______