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