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...
user-defined function, or when you declare and set variables in a batch statement. For example, if a variable is defined as char(3), and then set to a value larger than three characters, the data is truncated to the defined size and the INSERT or UPDATE statement succeeds. ...
This CREATE FUNCTION (SQL table) statement creates an SQL table function at the current server. The function returns a single result table. Invocation This statement can be embedded in an application program or issued interactively. It is an executable statement that can be dynamically prepared. ...
Any function you specify incolumn_expressionmust return a repeatable value. For example, you cannot specify theSYSDATEorUSERfunction or theROWNUMpseudocolumn. Thecolumn_expressioncannot contain any aggregate functions. You cannot create a function-based index on a nested table. ...
CREATE[ORALTER]FUNCTION[schema_name. ]function_name( [ { @parameter_name[AS] [type_schema_name. ]parameter_data_type[NULL] [ = default ] [READONLY] } [ , ...n ] ] )RETURNS@return_variableTABLE[WITH<function_option>[ , ...n ] ] [AS]BEGINfunction_bodyRETURNEND[ ; ] Transact...
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
DROP FUNCTION IF EXISTS TestReferenceDB.dbo.SearchLogPerRegionWithRemainder; CREATE FUNCTION TestReferenceDB.dbo.SearchLogPerRegionWithRemainder(@Region string = "en-gb") RETURNS (@definedRegion, @remainderRegions) /* alternative header RETURNS ( @definedRegion TABLE (UserId int, Start DateTime, ...
For more information and examples of scalar functions, seeCREATE FUNCTION. Table-valued function examples Inline table-valued function (TVF) The following example creates an inline table-valued function (TVF) in the AdventureWorks2022 database. The function takes one input paramete...
对于Azure Synapse Analytics 或 Microsoft Fabric,请参阅 CREATE FUNCTION(Azure Synapse Analytics 和 Microsoft Fabric)。Transact-SQL 语法约定语法Transact-SQL 标量函数的语法。syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_...
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 ] [ type_...