developer-roadmap/roadmaps/sql/content/alter-table@WjXlO42WL9saDS7RIGapt.md

Alter Table

The ALTER TABLE statement in SQL is used to modify the structure of an existing table. This includes adding, dropping, or modifying columns, changing the data type of a column, setting default values, and adding or dropping primary or foreign keys.

Visit the following resources to learn more:

• @article@ALTER TABLE Statement
• @article@ALTER TABLE - PostgreSQL