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    SQL Server’s ISNULL() equivalent in PostgreSQL

    admin November 29, 2024 No Comments

    SQL Server provides an function ISNULL if the value placed in the 2nd parameter if the first parameter passed to the function ISNULL is null.

    For example ,

    SELECT ISNULL(Designation,’ ‘) from Employee

    This will result in the displaying the empty string if the Designation is NULL.

    SQL Server’s ISNULL() equivalent in PostgreSQL

    The same can be achieved in PostgreSQL using the coalesce function

    SELECT coalesce(Designation,' ') from Employee

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