CREATE OR ALTER EXCEPTION
Creates a custom exception if it doesn’t exist, or alters a custom exception
Available in
DSQL
Syntax
CREATE OR ALTER EXCEPTION exception_name '<message>'
!! See syntax of CREATE EXCEPTION
for further rules !!
The statement CREATE OR ALTER EXCEPTION
is used to create the specified exception if it does not exist, or to modify the text of the error message returned from it if it exists already.If an existing exception is altered by this statement, any existing dependencies will remain intact.