Creates a new unique key.
IndexSchema TableSchema.createUniqueKey( String index_name ) throws ULjException
index_name The name of the key. The specified name must be a valid SQL identifier.
A unique key is a constraint to identify one or more columns that uniquely identify each row in the table. A table can have more than one unique constraint.
The IndexSchema assigned to the created unique key with the specified name.
Discuss this page in DocCommentXchange. Send feedback about this page using email. |
Copyright © 2009, iAnywhere Solutions, Inc. - SQL Anywhere 11.0.1 |