Caché Transact-SQL (TSQL) Migration Guide - InterSystems ...

Transaction Statements• SET QUOTED_IDENTIFIER• SET ROWCOUNT Only affects the SELECT statement• SET TRANSACTION ISOLATION LEVEL See Transaction Statements below.The following SET variables are parsed, but ignored:• SET NOCOUNT• SET TEXTSIZE3.6 Transaction StatementsCaché TSQL provides basic support for transactions. It parses, but ignores transaction names.It does not support savepoints. Distributed transactions are not supported.3.6.1 SET TRANSACTION ISOLATION LEVELSupported for the following forms only:• SET TRANSACTION ISOLATION LEVEL READ COMMITTED• SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED.3.6.2 BEGIN TRANSACTIONSupported as either BEGIN TRAN or BEGIN TRANSACTION. A transaction name isparsed, but ignored.3.6.3 COMMIT TRANSACTIONSupported as any of the following: COMMIT, COMMIT TRAN, COMMITTRANSACTION, or COMMIT WORK. A transaction name is parsed, but ignored.3.6.4 ROLLBACK TRANSACTIONSupported as either ROLLBACK, ROLLBACK TRAN, ROLLBACK TRANSACTION,or ROLLBACK WORK. A transaction name is parsed, but ignored. Savepoints are notsupported.Caché Transact-SQL (TSQL) Migration Guide 19