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SQL Anywhere 10.0.1 » SQL Anywhere Server - SQL Usage » Using Procedures, Triggers, and Batches

Using the EXECUTE IMMEDIATE statement in procedures Next Page

Transactions and savepoints in procedures and triggers

SQL statements in a procedure or trigger are part of the current transaction (see Using Transactions and Isolation Levels). You can call several procedures within one transaction or have several transactions in one procedure.

COMMIT and ROLLBACK are not allowed within any atomic statement (see Atomic compound statements). Note that triggers are fired due to an INSERT, UPDATE, or DELETE which are atomic statements. COMMIT and ROLLBACK are not allowed in a trigger or in any procedures called by a trigger.

Savepoints (see Savepoints within transactions) can be used within a procedure or trigger, but a ROLLBACK TO SAVEPOINT statement can never refer to a savepoint before the atomic operation started. Also, all savepoints within an atomic operation are released when the atomic operation completes.