There is no provision to create a function that takes a variable number of parameters. So the best you could do is to create a CREATE_WS which takes, say, six strings plus the separator. But then you need to al
> CREATE VIEW t(c1, c2) AS VALUES (0, 1), (1, 2); SQL 複製 -- Create a temporary function with no parameter. > CREATE TEMPORARY FUNCTION hello() RETURNS STRING RETURN 'Hello World!'; > SELECT hello(); Hello World! -- Create a permanent function with parameters. > CREATE FUNC...
-- 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 a query.> SELECT area(c1, c2) AS area FROM t; 1.0 1.0-- Use a SQL function in the WHERE clause of a query.> ...
(CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result of that action as a value. The return value can either be a scalar (single) value or a table. Use this statement to create a reusable routine that can be ...
function-name Names the user-defined function. The combination of name, schema name, the number of parameters, and the data type of each parameter (without regard for any length, precision, scale, or CCSID attributes of the data type) must not identify a user-defined function that exists at...
When a parameter of the function has a default value, the keyword DEFAULT must be specified when the function is called to retrieve the default value. This behavior is different from using parameters with default values in stored procedures in which omitting the parameter also implies the default...
CREATE FUNCTION <Scalar_Function_Name, sysname, FunctionName> ( -- Add the parameters for the function here <@Param1, sysname, @p1> <Data_Type_For_Param1, , int> ) RETURNS <Function_Data_Type, ,int> AS BEGIN -- Declare the return variable here ...
sqlserver 执行带参数的function 执行sql语句的函数 oracle --GREATEST --返回一组表达式中的最大值,即比较字符的编码大小. select greatest(’AA’,’AB’,’AC’) from dual; select greatest(1,2,5) from dual; --LEAST --返回一组表达式中的最小值...
Description for CREATE FUNCTION (SQL table) function-name Names the user-defined function. The name is implicitly or explicitly qualified by a schema name. The combination of the name, the schema name, the number of parameters, and the data type of each parameter (without regard to any length...
SQL parameters You can create SQL templates by adding variables to your SQL queries in the Native/SQL editor. These variables will create filter widgets that you can use to change the variable’s value in the query. You can also add...