Re: DB locks for a beginner

"Francesco" <fmarchioniNIENTESPAM_at_libero.it> wrote ..

> I often come across the word "there's a lock on the db", but I cannot
> find a clear explanation. My guess is that somebody locked a table
> with a statement like "select .... for update".

That is one way a lock can be created.

> Can anybody shed some light on it ?

Concepts Manual. Section 16. Transaction Management.

http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96524/c17trans.htm#6563

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Billy