Add a nullable column to an existing table.

Section: create and alter tables

Add a column

sql
sql
ALTER TABLE users ADD COLUMN phone VARCHAR(50) NULL AFTER email;
Explanation

`AFTER` controls physical column position in MySQL table metadata.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

Same sheet · prioritizing create and alter tables
Modify a column definition
Change type, size, or nullability.
OpenIn sheetsqlsame section
Rename a column
Rename a column while specifying its full definition.
OpenIn sheetsqlsame section
Drop a column
Remove a column from a table.
OpenIn sheetsqlsame section
Create a database
Create a schema if it does not already exist.
OpenIn sheetsqlsame section
Create a users table
Create a table with an auto-increment primary key and timestamps.
OpenIn sheetsqlsame section
Rename a table
Rename a table without recreating it.
OpenIn sheetsqlsame section