
MySQL DELETE FROM with subquery as condition - Stack Overflow
Dec 17, 2010 · And maybe it is answered in the "MySQL doesn't allow it", however, it is working fine for me PROVIDED I make sure to fully clarify what to delete (DELETE T FROM Target AS …
Delete many rows from a table using id in Mysql - Stack Overflow
I am a Linux admin with only basic knowledge in Mysql Queries I want to delete many table entries which are ip address from my table using id, currently i am using DELETE from …
sql - How to delete from select in MySQL? - Stack Overflow
Dec 30, 2010 · SELECT (sub)queries return result sets. So you need to use IN, not = in your WHERE clause. Additionally, as shown in this answer you cannot modify the same table from …
mysql - Foreign key constraints: When to use ON UPDATE and ON …
usually my default is: ON DELETE RESTRICT ON UPDATE CASCADE. with some ON DELETE CASCADE for track tables (logs--not all logs--, things like that) and ON DELETE SET NULL …
MySQL foreign key constraints, cascade delete - Stack Overflow
ON UPDATE CASCADE, FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE ON UPDATE CASCADE )Engine=InnoDB; This way, you can delete a product OR …
mysql - Delete statement in a same table - Stack Overflow
Aug 22, 2013 · I need to query a delete statement for the same table based on column conditions from the same table for a correlated subquery. I can't directly run a delete statement and …
How to delete from multiple tables in MySQL? - Stack Overflow
Jul 26, 2010 · DELETE pets, pets_activities FROM pets inner join pets_activities on pets_activities.id = pets.id WHERE pets.`order` > :order AND pets.`pet_id` = :pet_id Generally, …
MySQL Delete all rows from table and reset ID to zero
Sep 29, 2012 · I need to delete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
What is the best way to delete old rows from MySQL on a rolling …
DELETE FROM my_table WHERE time_stored < 1234567890 LIMIT 100 I do that until mysql_affected_rows returns 0. I used to do it all at once but that caused everything in the …
sql - Delete with Join in MySQL - Stack Overflow
Mar 17, 2009 · MySQL DELETE records with JOIN You generally use INNER JOIN in the SELECT statement to select records from a table that have corresponding records in other …