This section describes how to alter the structure or column definitions of a table. For example, you can add columns, change various column attributes, or drop columns entirely.
You can perform table alteration tasks on the SQL tab in the right pane of Sybase Central. In Interactive SQL, you can perform them using the ALTER TABLE statement.
For information about altering database object properties, see Set properties for database objects.
For information about granting and revoking table permissions, see Granting permissions on tables, and Revoking user permissions and authorities.
Alter tables (Sybase Central)
Alter tables (SQL)
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