MySQL – Horizontal Partitioning Table of content The MySQL Partitioning is a technique that can be used to divide a database table into smaller tables i.e. partitions. These smaller tables are stored in different physical locations and are treated as separate tables. Thus, the data in these smaller tables can be accessed and managed individually. […]
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 […]
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 […]