Re: ANSI vs. Non-ANSI
Posted in 1995
In article <dberg.789147595@cheetah> dberg@informix.com (David I. Berg) writes:
>Third, the isolation level for applications running against ANSI databases
>defaults to Repeatable Read. This can wreak havoc with concurrency
>control and lock management. (With Repeatable Read every row selected
>within a cursor has a shared lock placed on it from the time the first such
>row is fetched until the cursor is closed.)
Of course, you can always change the isolation level within your application,
but just wait until the first time someone runs:
SELECT * FROM sometable;and then goes to lunmch.
June
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