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1 cze 2015 · With this procedure you can check if exist or not and then update/insert as you want
29 kwi 2015 · IF EXISTS (select * from users where username = 'something') THEN. update users set id= 'some' where username = 'something'; ELSE. insert into users (username) values ('something'); END IF; end $$. delimiter ; and call it like this: call select_or_insert();
17 paź 2024 · MySQL provides two ways to insert a row into a table or update the row if it already exists. We can use the INSERT INTO … ON DUPLICATE KEY UPDATE syntax or the REPLACE statement.
5 gru 2019 · update table if ( sql%rowcount = 0 ) then insert end if; the exists just wastes time. the update will do the "read" and if it finds something -- the update, if not the insert will happen. this would be true in sqlserver as well!
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 ) Plan hash value: 3378486070
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.
Script Name Conditional Insert and Update Using MERGE. Description This example conditionally inserts and updates table data by using the MERGE statement. Area SQL General. Referenced In Database SQL Language Reference. Contributor Oracle. Created Thursday January 28, 2016. Statement 1. A table named people_source is created.
