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riadik2000 [5.3K]
3 years ago
13

A _____ occurs when one transaction reads data written by another transaction before the other transaction commits. dirty read l

ost column value collision uncommitted dependency
Computers and Technology
1 answer:
docker41 [41]3 years ago
3 0

Answer: dirty read, uncommitted dependency

Explanation:

We have this problem of dirty read when we have many transactions running simultaneously and then one transaction reads a value which has not been committed by another transaction. If such a situation arises then it leads to problems as when it results in redundancy of data and we get a wrong result.

Uncommitted dependency also happens in this way by which it reads the value from a transaction which is in its intermediate stage.

The uncommitted value of the transaction is called as the dirty data and leads to redundancy in the final outcome of the transaction.

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