⟩ Explain a checkpoint and When does it occur?
A Checkpoint is like a snapshot of the DBMS state. By taking checkpoints, the DBMS can reduce the amount of work to be done during restart in the event of subsequent crashes.
A Checkpoint is like a snapshot of the DBMS state. By taking checkpoints, the DBMS can reduce the amount of work to be done during restart in the event of subsequent crashes.
When DB2 connection fails, will online program work or give errors?
Can you have more than one cursor open at any one time in a program ?
How does DB2 determine what lock-size to use?
What is a composite index and how does it differ from a multiple index?
What are delete-connected tables?
What are the disadvantages of PAGE level lock?
What is a precompiler?
What is the diff bet plan,package,dbrm?
Give the COBOL definition of a VARCHAR field.
When can an insert of a new primary key value threaten referential integrity?