Functions are defined using PL/SQL. Refer to Oracle Database PL/SQL Language Reference for complete information on creating, altering, and dropping functions.
Do not use this statement to remove a function that is part of a package. Instead, either drop the entire package using the
PACKAGE statement or redefine the package without the function using the
PACKAGE statement with the
The function must be in your own schema or you must have the
PROCEDURE system privilege.
Specify the schema containing the function. If you omit
schema, then Oracle Database assumes the function is in your own schema.
Specify the name of the function to be dropped.
Oracle Database invalidates any local objects that depend on, or call, the dropped function. If you subsequently reference one of these objects, then the database tries to recompile the object and returns an error if you have not re-created the dropped function.
If any statistics types are associated with the function, then the database disassociates the statistics types with the
FORCE option and drops any user-defined statistics collected with the statistics type.
Dropping a Function: Example
The following statement drops the function
SecondMax in the sample schema
oe and invalidates all objects that depend upon
DROP FUNCTION oe.SecondMax;
Oracle Database PL/SQL Language Reference for the example that creates the