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luhuayi 177cd61a57 DWS DEVG 910.211 version

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>

2025-05-05 07:44:03 +00:00

NULL Statements

In PL/SQL programs, a NULL statement can be used to indicate "do nothing", which is also known as an empty statement.

A NULL statement acts as a placeholder and can give meaning to certain statements, improving the readability of the program.

The following shows example use of NULL statements.

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DECLARE
    ...
BEGIN
    ...
    IF v_num IS NULL THEN
        NULL; --No data needs to be processed.
    END IF;
END;
/

Parent topic: GaussDB(DWS) Stored Procedure Control Statements