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Showing posts with label table lock (tm). Show all posts
Showing posts with label table lock (tm). Show all posts
Thursday, 18 May 2017

e.g. row lock (tx) and table lock (tm)

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e.g. row lock (tx) In -A- database: SQL> select * from employees where employee_id = 100 FOR UPDATE ; to see the error; In -B- ...
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