Your question 1 is answered by the likely fact that the statement sequence (as a whole) was either not executed until it parsed correctly, or was run in a transaction, and thus all modifications were rolled back.

2. Executing multiple SQL statements in one ->do call is dependent on the database driver. I wouldn't rely on it.

3. It depends on what the database driver implements. Ask the database vendor about the rationale.

In reply to Re: Multiple SQL statements in DBI by Corion
in thread Multiple SQL statements in DBI by tel2

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