ALTER COMMAND TO CREATE A NEW COLUMN | SQL TUTORIAL
SQL Tutorial: ALTER Commands - Modify Database Tables#SQL #AlterCommands #ModifyTables #DatabaseManagement #CodingTips #Programming
In this SQL tutorial, we'll cover the ALTER commands, which are used to modify the structure of existing database tables. Learn how to add, modify, and drop columns, constraints, and indexes.
Topics covered:
Alter command using sql
SQL command to add a column
Introduction to SQL ALTER commands
ALTER TABLE command syntax and usage
Adding columns to a table
Modifying column data types and constraints
Dropping columns from a table
Adding and dropping constraints (primary key, foreign key, unique)
Adding and dropping indexes
Example code and demos
Best practices for modifying tables
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