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Asked: 2026-06-14T14:36:11+00:00

Can the following query be modified to return all records if the ? is

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Can the following query be modified to return all records if the ? is null?

SELECT NAME, SURNAME FROM MY_TABLE WHERE NAME = ?;
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1 Answer

  1. Editorial Team

    You can also use functions IFNULL,COALESCE,NVL,ISNULL to check null value. It depends on your RDBMS.

    MySQL:

    SELECT NAME, SURNAME FROM MY_TABLE WHERE NAME = IFNULL(?,NAME);

    or

    SELECT NAME, SURNAME FROM MY_TABLE WHERE NAME = COALESCE(?,NAME);

    ORACLE:

    SELECT NAME, SURNAME FROM MY_TABLE WHERE NAME = NVL(?,NAME);

    SQL Server / SYBASE:

    SELECT NAME, SURNAME FROM MY_TABLE WHERE NAME = ISNULL(?,NAME);
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