You can create a database object inside an instance of SQL Server that is programmed in an assembly created in the .NET Framework common language runtime (CLR). Database objects that can use the rich programming model provided by the common language runtime include aggregate functions, functions...
For more information, see the section, Use sort order in CLR table-valued functions later in this article. EXTERNAL NAME <method_specifier>assembly_name.class_name.method_name Applies to: SQL Server 2008 (10.0.x) SP 1 and later versions. Specifies the assembly and method to which the ...
This article describes how to create a user-defined function (UDF) in SQL Server by using Transact-SQL. Limitations and restrictions User-defined functions can't be used to perform actions that modify the database state. User-defined functions can't contain anOUTPUT INTOclause that has a table...
The Enable Enterprise Geodatabase tool takes a database connection file as input and creates the geodatabase system tables, views, functions, and procedures. Install and configure SQL Server Before the geodatabase administrator can create a geodatabase, the SQL Server administrator must do the...
SQL Server Azure SQL 数据库 Azure SQL 托管实例 在当前数据库中创建一个将已分区表或已分区索引的分区映射到一个或多个文件组的方案。 将表或索引的行映射到分区的值是在分区函数中指定的。 必须首先在CREATE PARTITION FUNCTION语句中创建分区功能,然后才能创建分区方案。
Transact-SQL 語法慣例 語法 複製 Scalar Functions CREATE FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ][ type_schema_name. ] parameter_data_type [ = default ] } [ ,...n ] ] ) RETURNS return_data_type [ WITH <function_option> [ ,...n ] ] [ AS ] BEGIN...
The function may run in the same thread as the invoking SQL statement. NOT FENCED functions can keep SQL cursors open across individual calls to the function. Since cursors can be kept open, the cursor position will also be preserved between calls to the function. However, cursor names may ...
Avoid using scalar functions in SELECT statements that return many rows of data. Because the scalar function must be applied to every row, the resulting behavior is like row-based processing and degrades performance. Avoid the use of SELECT *. Instead, specify the required column names. This ...
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To set this option, requires membership in the sysadmin fixed server role. The DB_CHAINING option cannot be set on these system databases:master,model,tempdb. TRUSTWORTHY { OFF | ON } When ON is specified, database modules (for example, views, user-defined functions, or stored procedures) ...