Changing the Definition of a Database
Table 
You can use SQL Studio to change the definition of a database table.
You have the necessary user authorizations and have user attribute NOT EXCLUSIVE*.
1.
Select the table and
choose Catalog Manager
® Alter
Table.
The system opens a window for
table definition.
2. Make the required changes:
· Defining Foreign Key Dependencies (Referential Integrity)
· Defining Miscellaneous Information
Choose Table Definition ® Alter Table.

To export the SQL statement for changing the database table to the SQL dialog, choose Table Definition ® Export to SQL Dialog.
*For an explanation
of user authorizations and user attributes, see the
User Concept
section of the documentation The SAP DB Database System and the
Authorization
section of the Reference Manual: SAP DB.
For information on
the syntax of ALTER TABLE statements, see the
ALTER TABLE
Statement section of the Reference Manual: SAP DB.