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DB2 RazorSQL Alter

The Alter command is used to make a change in the table.

For example:

• Add new column
• Add primary key
• Add foreign key
• Add constraints
• Change the type of column
• Drop column
• Drop Primary Key
• Drop Foreign Key
• Drop Constraint

Let’s add a new column “Department” in the table “Freshers”

You can see that the table is altered and a new column “Department” is added.

As the same way you can Add primary key

• Add foreign key
• Add constraints
• Change the type of column
• Drop column
• Drop Primary Key
• Drop Foreign Key
• Drop Constraint