Point out the correct statement :

Question

Options:

A . Avoid less row count SQL statements that can cause a table lock

B . A blocking lock occurs when one lock causes another process to wait in a holding queue

C . Lock is a done by database when any connection access a different piece of data concurrently

D . None of the mentioned

Answer: Option B

If blocking locks are common (rather than infrequent), there is probably some kind of design or query implementation problem.

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