Database - Managing Multiuser Databases - Discussion

Discussion :: Managing Multiuser Databases - General Questions (Q.No.2)

2. 

Which of the following locks the item from change but not from read?

[A]. Implicit lock
[B]. Explicit lock
[C]. Exclusive lock
[D]. Shared lock

Answer: Option D

Explanation:

No answer description available for this question.

Dewan Mamun Raza said: (Oct 26, 2015)  
Why use lock and how many types of lock?

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