If a transaction can be granted a lock on an item immediately in spite of the presence of another mode, then the two modes are said to be ________(a) Concurrent(b) Equivalent(c) Compatible(d) ExecutableI had been asked this question in exam.My doubt stems from Lock Based Protocols topic in section Concurrency Control of RDBMS

If a transaction can be granted a lock on an item immediately in spite

1.	If a transaction can be granted a lock on an item immediately in spite of the presence of another mode, then the two modes are said to be ________(a) Concurrent(b) Equivalent(c) Compatible(d) ExecutableI had been asked this question in exam.My doubt stems from Lock Based Protocols topic in section Concurrency Control of RDBMS
Answer» The correct choice is (C) Compatible The best I can explain: If a transaction can be GRANTED a lock on an item immediately in SPITE of the presence of another MODE, then the TWO modes are said to be compatible.

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