MySQL – On Delete Cascade Table of content The MySQL ON DELETE CASCADE Constraint The MySQL ON DELETE CASCADE constraint ensures that when a row in the parent table is deleted, all related rows in the child table are automatically deleted as well. This constraint helps maintain referential integrity between two tables that are connected […]
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MySQL – Stored Procedure Table of content The MySQL Stored Procedure A MySQL stored procedure is a group of pre-compiled SQL statements that can be reused anytime. Stored procedures can be used to perform different database operations such as such as inserting, updating, or deleting data. Syntax The basic syntax to create a stored procedure […]
MySQL – Upsert Table of content The MySQL UPSERT Operation The MySQL UPSERT operation combines INSERT and UPDATE into a single statement, allowing you to insert a new row into a table or update an existing row if it already exists. We can understand in the name (UPSERT) itself, where UP stands for UPDATE and […]