> CREATE TEMPORARY FUNCTION hello() RETURNS STRING RETURN 'Hello World!'; > SELECT hello(); Hello World! -- Create a permanent function with parameters. > CREATE FUNCTION area(x DOUBLE, y DOUBLE) RETURNS DOUBLE RETURN x * y; -- Use a SQL function in the SELECT clause of...
syntaxsql 复制 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
returned data types include a row type, array type, or cursor type; b) Must be used if the RETURNS TABLE clause specifies any syntax other than a column-list; c) Not supported if RETURNS ROW is specified; d) Not supported when defining a table function in a partitioned database ...
[ CERTIFICATE <certificate-string> ] [ CLIENTPORT <clientport-string> ] [ PROXY <proxy-string> ] parameter - (back to Syntax 1) or (back to Syntax 2) IN <parameter-name> <data-type> [ DEFAULT <expression> ] tsql-compound-statement - (back to Syntax 1) <sql-statement> <sql-...
--Transact-SQL Scalar Function Syntax CREATE FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ][ type_schema_name. ] parameter_data_type [ = default ] [ READONLY ] } [ ,...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ ,...n ] ] [ AS ]...
Syntax >>-CREATE--+---+--FUNCTION--function-name---> '-OR REPLACE-' >--(--+---+--)---> | .-,---. | | V | | '---parameter-declaration-+-' >--+-function-definition---+--->< '-WRAPPED--obfuscated-statement-text-' function...
If the routine name is the same as the name of a built-in SQL function, a syntax error occurs unless you use a space between the name and the following parenthesis when defining the routine or invoking it later. For this reason, avoid using the names of existing SQL functions for your ...
Error SQL query: CREATE FUNCTION tp_fnUserValidate( p_username VARCHAR( 10 ) , p_password VARCHAR( 20 ) ) RETURNS INTEGERREADS SQL DATA BEGIN DECLARE var_rows INT; MySQL said: Documentation #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL se...
A parameter defines the name of the parameter in form of a variable local to the function body. Its type is either a built-in U-SQL type, which optionally can be initialized with a default value, or a named or anonymous table type: Syntax Parameter := User_Variable ( Type_...
function_body Specifies that a series of Transact-SQL statements, which together do not produce a side effect such as modifying a table, define the value of the function. function_body is used only in scalar functions and multistatement table-valued functions. ...