Web Reference: The ALTER TABLE statement is used to add, delete, or modify columns in an existing table. The ALTER TABLE statement is also used to add and drop various constraints on an existing table. Apr 11, 2023 · ALTER SQL command is a DDL (Data Definition Language) statement. ALTER is used to update the structure of the table in the database (like add, delete, modify the attributes of the tables in the database). Jan 18, 2025 · Learn database DML commands like CREATE, UPDATE, DELETE, and ALTER with practical examples for each command!
YouTube Excerpt: Today we continue with the SQL tutorial series. We learn how to edit and
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