CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ , ...n ] ] [ AS ] BEGIN...
===Example 1=== [oracle@localhost notes]$ vim s81.sql CREATE OR REPLACE FUNCTION check_sal RETURN Boolean IS v_dept_idemployees.department_id%TYPE; v_empnoemployees.employee_id%TYPE; v_sal employees.salary%TYPE; v_avg_salemployees.salary%TYPE; BEGIN v_empno:=205; SELECT salary,department...
It is possible to register a function that has no parameters. In this case, the parentheses must still be coded, with no intervening data types. For example: CREATE FUNCTION WOOFER() ... No two identically-named functions within a schema are permitted to have exactly the same type for al...
To create a function in your own schema, you must have theCREATEPROCEDUREsystem privilege. To create a function in another user's schema, you must have theCREATEANYPROCEDUREsystem privilege. To replace a function in another user's schema, you must have theALTERANYPROCEDUREsystem privilege. To ...
CREATE FUNCTION [ schema_name. ] function_name ( { @parameter_name [AS] [ type_schema_name. ] parameter_data_type [ = default ] } [ ,...n ] ) RETURNS { return_data_type } [ WITH <clr_function_option> [ ,...n ] ]
如需Azure Synapse Analytics 或 Microsoft Fabric,請參閱 CREATE FUNCTION(Azure Synapse Analytics 和 Microsoft Fabric)。Transact-SQL 語法慣例SyntaxTransact-SQL 純量函式的語法。syntaxsql 複製 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS...
A function can have no parameters. In this case, you must code an empty set of parentheses, for example: CREATE FUNCTION WOOFER() parameter-name Specifies the name of the input parameter. The name is an SQL identifier, and each name in the parameter list must not be the same as any ot...
CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ , ...n ] ] [ AS ] BEGIN...
The following is a simple example of a function: CREATE OR REPLACE Function FindCourse ( name_in IN varchar2 ) RETURN number IS cnumber number; cursor c1 is select course_number from courses_tbl where course_name = name_in; BEGIN
The following is a simple example of a function: CREATE OR REPLACE Function FindCourse ( name_in IN varchar2 ) RETURN number IS cnumber number; cursor c1 is select course_number from courses_tbl where course_name = name_in; BEGIN