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Changing & Deleting Data

Title Description
DELETE Delete rows from one or more tables.
HIGH_PRIORITY and LOW_PRIORITY How to modify statements priority with storage engines supporting table-level locks.
IGNORE Suppress errors while trying to violate a UNIQUE constraint.
REPLACE Equivalent to DELETE + INSERT, based on UNIQUE indexes.
REPLACE...RETURNING Returns a resultset of the replaced rows.
TRUNCATE TABLE DROP and re-CREATE a table.
UPDATE Modify rows in one or more tables.
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https://mariadb.com/kb/en/changing-deleting-data/