Files
oracle/idev/example_create_not_null_constraints.sql
2026-03-12 21:23:47 +01:00

26 lines
1.5 KiB
SQL

-- +----------------------------------------------------------------------------+
-- | Jeffrey M. Hunter |
-- | jhunter@idevelopment.info |
-- | www.idevelopment.info |
-- |----------------------------------------------------------------------------|
-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
-- |----------------------------------------------------------------------------|
-- | DATABASE : Oracle |
-- | FILE : example_create_not_null_constraints.sql |
-- | CLASS : Examples |
-- | PURPOSE : It is important when designing tables to name your NOT NULL |
-- | constraints. The following example provides the syntax necessary|
-- | to name your NOT NULL constraints. |
-- | NOTE : As with any code, ensure to test this script in a development |
-- | environment before attempting to run it in production. |
-- +----------------------------------------------------------------------------+
ALTER TABLE user_names
MODIFY ( name CONSTRAINT user_names_nn1 NOT NULL
, age CONSTRAINT user_names_nn2 NOT NULL
, update_log_date CONSTRAINT user_names_nn3 NOT NULL
)
/