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#columns

Commands grouped around the same concept, pattern, or recurring problem.

3 commands with this tag Browse related patterns quickly
beginner defining MySQL MariaDB SQL Server PostgreSQL SQLite

Add A Column To An Existing Table

Extend a table's structure by adding a new column with `ALTER TABLE`.

beginner metadata MySQL MariaDB SQL Server PostgreSQL SQLite

List Columns In A Table

Inspect a table definition to see its column names and data types.

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Rename Output Columns With AS

Use `AS` to give result columns clearer labels without changing the underlying table schema.