Locks in Oracle

A user issues the below query,
1. Select * from table1 lock table
At the same time DBA is trying to modify this table table1 using alter command, will he able to do that or not?

Questions by zefyrpma

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anil

  • Dec 13th, 2011
 

No we cant do if table lock

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rohan makode

  • Feb 25th, 2012
 

No because dba is updating the table so it is not possible.

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anil

  • Mar 13th, 2012
 

there dba can break the lock given to table.
but in real time, no dba has the right to break the lock given by the user

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doc123

  • Mar 22nd, 2012
 

DDL lock are exclusive locks. It shared the data. Means anyone can select data from same table.

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