Search results
Aug 19, 2014 · 3. Example table name is Salaries: before TRUNCATE u can check records (select * from Salaries) After truncate it will reset identity too. IF EXISTS (SELECT 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Salaries') begin. TRUNCATE table Salaries;
Dec 3, 2015 · 4. So I had a similar issue, and to resolve it, I created this procedure: DELIMITER $$. DROP PROCEDURE IF EXISTS `truncate_if_exist`$$. CREATE PROCEDURE `truncate_if_exist`(IN tbl_name VARCHAR(150) ) BEGIN. IF EXISTS( SELECT 1 FROM information_schema.TABLES WHERE table_name = tbl_name AND table_schema = DATABASE()) THEN.
Feb 15, 2014 · AS SELECT * FROM <main_table_name>; END IF; END$$. DELIMITER ; CALL `create_table_sp`; DROP PROCEDURE IF EXISTS `create_table_sp`; There is also another way, You could pass the table names as arguments to the SP, in this case sub_table_name and main_table_name. Make the above DML statements to a string using CONCAT ()
Oct 21, 2015 · Step #1. Fire query "Delete from tableName", It will delete all records from table. Step #2. There is table named "sqlite_sequence" in Sqlite Database, just browse it and you can set sequence table wise to "0" so it will start from auto id "1".**. See the screenshot attached.
Jul 10, 2018 · CREATE TABLE @tobetruncated IF NOT EXISTS TRUNCATE TABLE @tobetruncated NOTE: This is not specific to REDSHFIT, mostly applies to all DB unless it supports special functions (like one I know Oracle has TABLE_EXISTS_ACTION). Truncate is like a all or nothing operation, and thats what makes it much better in performance than DELETE.
Jul 21, 2020 · To execute, call it with SELECT: SELECT truncate_if_exists('web_channel2'); If no schema is provided, the function falls back to traversing the search_path - like your original did. If that's unreliable, or generally, to be safe (which seems prudent when truncating tables!) provide the schema explicitly: SELECT truncate_if_exists('web_channel2 ...
IF OBJECT_ID('tempdb..#Results') IS NOT NULL Truncate TABLE #Results else CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT, ) If you are using Sql Server 2016 or Azure Sql Database then use the below syntax to drop the temp table and recreate it.
May 13, 2015 · 3. If you're using the web UI, you can find the WRITE_TRUNCATE disposition within the advanced query options. Under the query editor, click "Show Options" - then set the "Write Preference" option to "Overwrite Table". – Danny Kitt. May 13, 2015 at 20:32.
Sep 17, 2008 · Either conditionally create then populate: CREATE TEMPORARY TABLE IF NOT EXISTS fubar ( id int, name varchar (80) ) TRUNCATE TABLE fubar. INSERT INTO fubar SELECT * FROM barfu. or just drop and recreate. DROP TABLE IF EXISTS fubar. CREATE TEMPORARY TABLE fubar SELECT id, name FROM barfu. With pure SQL those are your two real classes of solutions.
Feb 28, 2013 · truncate table doesn't support 'if exists' clause – fi11er. Commented Apr 14, 2017 at 19:15. Add a ...
