Which of the following occurs when two connections need access to same piece of data concurrently and the meanwhile another is blocked because at a particular time, only one connection can have access?(a) Lock(b) Block(c) Deadlock(d) Exclusive lockI got this question in a job interview.Query is from Blocking in chapter Performance Tuning and Optimization of SQL Server

Which of the following occurs when two connections need access to same

1.	Which of the following occurs when two connections need access to same piece of data concurrently and the meanwhile another is blocked because at a particular time, only one connection can have access?(a) Lock(b) Block(c) Deadlock(d) Exclusive lockI got this question in a job interview.Query is from Blocking in chapter Performance Tuning and Optimization of SQL Server
Answer» The CORRECT CHOICE is (B) Block Best explanation: Lock is done by database when any CONNECTION access the same piece of data CONCURRENTLY and another is demanding for it.

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