transactions & locking & mysql

admin

Administrator
Staff member
hi!

i got to the point where i have to perform some operations on 100.000 records [or more] and between the operation i dont want anyone to write/read from database.

1) how do i lock everything? is it possible to do it?

2) how long will it take mysql to perform some 100.000 queries [select, update, delete, insert]? can someone just give me approximate value? will that be 10 seconds, 10 minutes, 1 hour?

--- i also have to go with transactions. does mysql support them yet?

Matjaz
 
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