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1 cze 2015 · With this procedure you can check if exist or not and then update/insert as you want
11 kwi 2019 · You could combine the procedure with the ROW_COUNT function to throw the error: DELIMITER $$ CREATE PROCEDURE UPDATE_SITE_IF_EXISTS() BEGIN UPDATE Site SET (...); SELECT _rowCount = ROW_COUNT(); IF (_rowCount = 0) THEN -- throw your error... END IF; END $$ DELIMITER ;
5 gru 2019 · I come from using mostly ms sql, but also sybase and mysql. Now I am working in a company where they use oracle, so I am learning a new dialect. I use exists to determine if I need to do an update or insert in ms sql. IF EXISTS(SELECT 'True' FROM TABLE WHERE COLUMN = @ID) BEGIN UPDATE TABLE; END ESLE BEGIN INSERT INTO TABLE; END
In this article, we would like to show you UPDATE query with IF condition in MySQL. Quick solution: UPDATE `table_name` SET `column_name` = IF(condition , if_true, if_false); Practical example. To show UPDATE query with IF condition, we will use the following users table:
19 lip 2022 · update customers_dim cd set ( full_name, update_datetime ) = ( select cs.full_name, systimestamp from customers_stage cs where cs.customer_id = cd.customer_id ) where exists ( select null from customers_stage ce where ce.customer_id = cd.customer_id )
11 lis 2015 · You could use the SQL%ROWCOUNT Oracle variable: UPDATE table1 SET field2 = value2, field3 = value3 WHERE field1 = value1; IF (SQL%ROWCOUNT = 0) THEN INSERT INTO table (field1, field2, field3) VALUES (value1, value2, value3); END IF;
27 sty 2024 · It stands for ‘Update if exists, Insert if not’. Though MySQL does not have a specific UPSERT command, this functionality is achieved through several SQL statements like INSERT ON DUPLICATE KEY UPDATE or using the REPLACE statement.
