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

4.2.2 INSERT .......................................................................................................................... 214.2.3 UPDATE ......................................................................................................................... 224.2.4 READTEXT, UDATETEXT, WRITETEXT ................................................................. 224.2.5 TRUNCATE TABLE ...................................................................................................... 224.3 Query Statements ..................................................................................................................... 224.3.1 SELECT ......................................................................................................................... 224.3.2 JOIN ............................................................................................................................... 244.3.3 UNION ........................................................................................................................... 244.3.4 FETCH Cursor ............................................................................................................... 244.3.5 UPDATE STATISTICS .................................................................................................. 254.4 Flow Control Statements .......................................................................................................... 254.4.1 CASE ............................................................................................................................. 254.4.2 GOTO and Labels .......................................................................................................... 254.4.3 WAITFOR ...................................................................................................................... 254.5 Assignment Statements ............................................................................................................ 254.5.1 DECLARE ..................................................................................................................... 254.5.2 SET ................................................................................................................................. 264.6 Transaction Statements ............................................................................................................. 264.6.1 SET TRANSACTION ISOLATION LEVEL ................................................................ 264.6.2 BEGIN TRANSACTION .............................................................................................. 274.6.3 COMMIT TRANSACTION .......................................................................................... 274.6.4 ROLLBACK TRANSACTION ...................................................................................... 274.6.5 CHECKPOINT .............................................................................................................. 274.6.6 LOCK TABLE ............................................................................................................... 284.7 Procedure Statements ............................................................................................................... 284.7.1 CREATE PROCEDURE / CREATE FUNCTION ......................................................... 284.7.2 ALTER FUNCTION ...................................................................................................... 294.7.3 DROP PROCEDURE / DROP FUNCTION .................................................................. 294.7.4 RETURN ........................................................................................................................ 294.7.5 EXECUTE ..................................................................................................................... 294.8 Other Statements ...................................................................................................................... 294.8.1 CREATE USER ............................................................................................................. 294.8.2 GRANT and REVOKE .................................................................................................. 304.8.3 PRINT ............................................................................................................................ 304.8.4 RAISERROR ................................................................................................................. 304.8.5 UPDATE STATISTICS .................................................................................................. 304.8.6 USE database ................................................................................................................. 304.9 InterSystems Extensions .......................................................................................................... 304.9.1 CACHE .......................................................................................................................... 314.9.2 IMPORTASQUERY ....................................................................................................... 315 TSQL Settings ................................................................................................................................... 335.1 DIALECT ................................................................................................................................. 335.2 TRACE ..................................................................................................................................... 335.3 CASEINSCOMPARE .............................................................................................................. 345.4 QUOTED_IDENTIFIER .......................................................................................................... 346 TSQL Functions ................................................................................................................................ 356.1 Supported Functions ................................................................................................................. 356.1.1 ABS ................................................................................................................................ 356.1.2 ACOS ............................................................................................................................. 356.1.3 ASCII ............................................................................................................................. 35ivCaché Transact-SQL (TSQL) Migration Guide