Improve this question. DROP VIEW [ IF EXISTS ] [ schema_name . ] En MySQL o MariaDB: DROP TABLE IF EXIST myTable; Equivalente en DB2: BEGIN DECLARE CONTINUE HANDLER FOR SQLSTATE '42704' BEGIN END; EXECUTE IMMEDIATE ' DROP TABLE myTable '; END @ Es un mecanismo simple que realiza la misma operación que en MySQL o MariaDB, y que puede ser usado para cualquier otro tipo de objeto en DB2 (Vista, trigger, procedimiento almacenado, función, etc.) (You can also specify this default behavior explicitly with the CASCADE keyword.) To display all indexes on a view, use sp_helpindex . Follow edited Jan 23 '14 at 3:35. When you drop a view, you also drop any other views and INSTEAD OF triggers whose definitions depend on that view. For people checking the existence to drop View use this . The TEMPORARY keyword can be used in MySQL to specify that only a temporary table can be deleted. db2 iseries. DB2: Hi I am trying to run a SQL sentence using a batch job (JCL is successful). The problem is that if the synonym exist, then it fails (RC=8). MySQL. and if it returns something issue your. ... View Bookmarks All times are GMT + 6 Hours: Forum Index-> DB2 : Similar Topics: Topic Forum The permanent tables seem to be included into that view, but not the temporary tables. I tried to DROP, but again errors out if it doesn’t exist. drop table edausr1.db_test; commit; end-check_master-***** test to see if master and access files exist **** app prependpath db2tables --->>> db2tables is the path where the master and access files are created. DB2 Drop table if exists equivalent, The below worked for me in DB2 which queries the SYSCAT.TABLES view to check if the table exists. Ultimately I need to conditionally drop a temp table or truncate/delete data if it exists. The IF statement executes different sets of SQL statements based on the result of search conditions. DROP IF EXISTS is only available from SQL Server 2016 onwards. DROP [TEMPORARY] TABLE [IF EXISTS] TableName. ... For Db2-managed objects: The DROP DATABASE statement will delete the underlying data sets if they exist. select tabname from syscat.tables where tabschema='myschema' and tabname='mytable'. Examples of using DROP TABLE IF EXISTS ... PostGres, IBM DB2. view_name [ ...,n ] [ ; ] Query : DROP VIEW IF EXISTS view_name More info here When executed against an indexed view, DROP VIEW automatically drops all indexes on a view. Drop DB2 table if exists Suggested solution: --#SET TERMINATOR @ begin declare statement varchar(128); declare continue handle for sqlstate '42710' BEGIN END; SET STATEMENT = 'DROP TABLE MYLIB.MYTABLE'; EXECUTE IMMEDIATE STATEMENT; end @ From SQL Server 2016 CTP3 you can use new DIE statements instead of big IF wrappers. syntax. If yes, it prepares and executes the First query if the table exists, like. If the data sets do not exist, DROP DATABASE will delete only the catalog entries for those data sets. The name must identify a view that exists at the current server. Share.
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