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 CHARACTER SETData Manipulation (DML) Statements 

Who Can Add a Comment

The COMMENT ON statement can be executed by:

  • Administrators

  • The owner of the object that is commented on

  • Users with the ALTER ANY object_type privilege, where object_type is the type of object commented on (e.g. PROCEDURE)

Examples using COMMENT ON

  1. Adding a comment for the current database

    COMMENT ON DATABASE IS 'It is a test (''my.fdb'') database';

  2. Adding a comment for the METALS table

    COMMENT ON TABLE METALS IS 'Metal directory';

  3. Adding a comment for the ISALLOY field in the METALS table

    COMMENT ON COLUMN METALS.ISALLOY IS '0 = fine metal, 1 = alloy';

  4. Adding a comment for a parameter

    COMMENT ON PARAMETER ADD_EMP_PROJ.EMP_NO IS 'Employee ID';

  5. Adding a comment for a package, its procedures and functions, and their parameters

    COMMENT ON PACKAGE APP_VAR IS 'Application Variables';

COMMENT ON FUNCTION APP_VAR.GET_DATEBEGIN
IS 'Returns the start date of the period';

COMMENT ON PROCEDURE APP_VAR.SET_DATERANGE
IS 'Set date range';

COMMENT ON
PROCEDURE PARAMETER APP_VAR.SET_DATERANGE.ADATEBEGIN
IS 'Start Date';