User-defined functions can't make use of dynamic SQL or temp tables. Table variables are allowed. SETstatements aren't allowed in a user-defined function. TheFOR XMLclause isn't allowed. User-defined functions can be nested; that is, one user-defined function can call a...
Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (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...
Creating a CLR function in SQL Server involves the following steps: Define the function as a static method of a class in a language supported by the .NET Framework. For more information about how to program functions in the common language runtime, see CLR user-defined functions. Then, compi...
Like the built-in aggregate functions provided in Transact-SQL, user-defined aggregate functions perform a calculation on a set of values and return a single value. Creating a user-defined aggregate function in SQL Server involves the following steps: Define the user-defined aggregate function as ...
Amazon Kinesis Data Analytics provides a number of , and also allows users to extend its capabilities by means of user-defined functions (UDFs). Amazon Kinesis Data Analytics supports UDFs defined in SQL only.
In diesem Artikel Syntax Arguments Best practices Data types 7 weitere anzeigen Applies to:SQL ServerAzure SQL DatabaseAzure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts ...
Creates an instance of SqlUserDefinedFunctionCreateUpdateParameters class. Method Details options public CreateUpdateOptions options() Get the options property: A key-value pair of options to be applied for the request. This corresponds to the headers sent with the request. Returns: ...
Inheritance Object ARMResourceProperties SqlUserDefinedFunctionCreateUpdateParameters Attributes JsonTransformationAttribute Constructors Properties Táblázat kibontása Methods Validate() Validate the object. Applies to TermékVerziók Azure SDK for .NETLegacy...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Creates a user-defined function (UDF), which is a Transact-SQL or common language runtime (CLR) routine. A user-defined function accepts parameters, performs an action such as a complex calculation, and returns the result ...
CREATE FUNCTION (External Scalar) 语句用于在当前服务器上注册用户定义的外部标量函数。 标量函数 每次调用时都会返回单个值,并且通常在 SQL 表达式有效的情况下有效。调用 此语句可以嵌入在应用程序中,也可通过动态 SQL 语句来发出。 它是一个可执行语句,仅当 DYNAMICRULES 运行行为对于程序包有效时才能动态编译 (...