Suzy,
Select for update establishes a row shared lock on the affected rows as they
become part of the active dataset. This can have the effect of locking out
users who also want to delete or update these rows. It does not have an affect
of users reading the data.
Dick Goulet
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Author: SuzyV <[EMAIL PROTECTED]>
Date: 5/9/2001 8:26 AM
What are the negatives of using 'select for update'? Seem to recall it locks
all rows within a block causing other transactions to wait on rows needed in
the same block. What about performance impacts??
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