Specifies the name of the table-valued function. If the Identifier is a three-part identifier, the function will be created in the specified database and schema. If it is a two-part identifier, then the function
doris create function表值函数-回复 什么是表值函数(Table-Valued Function)? 表值函数是指一种可以返回表作为结果的函数。它接受一组输入参数,并根据这些参数生成一个表作为返回值。与标量函数(Scalar Function)只能返回单个值不同,表值函数可以返回一整个表的数据。这使得表值函数成为SQL语言中非常强大和灵活的...
Creates anITableValuedFunctionobject that belongs to the specifiedISchemaobject and has the specified name. 命名空间:Microsoft.SqlServer.Management.SqlParser.MetadataProvider 程序集:Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中) ...
] parameter_data_type [ NULL ] [ = default ] } [ , ...n ] ) RETURNS { return_data_type } [ WITH <clr_function_option> [ , ...n ] ] [ AS ] EXTERNAL NAME <method_specifier> [ ; ] Syntax for CLR table-valued functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ ...
[ OPERATION_TYPE_DESC_COLUMN_NAME = operation_type_desc_column_name ] } <table_stretch_options> ::= { [ FILTER_PREDICATE = { NULL | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <index_option> ::= { PAD_INDEX = { ON | OFF } | FILLFACTOR...
This topic describes how to create a Transact-SQL user-defined function in SQL Server 2012 by using Transact-SQL. In This Topic Before you begin: Limitations and Restrictions Security To create a user-defined function: Create a Scalar Function Create a Table-valued Function Before You Begin ...
TableValuedFunctionReturnType TableXmlCompressionOption TargetDeclaration TargetRecoveryTimeDatabaseOption TemporalClause TemporalClauseType TemporalRetentionPeriodUnit TextModificationStatement ThrowStatement TimeUnit TopRowFilter TransactionStatement TriggerAction TriggerActionType TriggerEnforcement TriggerObject TriggerOp...
--CLR Table-Valued Function Syntax CREATE FUNCTION [ schema_name. ] function_name ( { @parameter_name [AS] [ type_schema_name. ] parameter_data_type [ = default ] } [ ,...n ] ) RETURNS TABLE <clr_table_type_definition> [ WITH <clr_function_option> [ ,...n ] ] ...
标量函数(Scalar Function):返回单个值。可以用于计算、转换和处理数据。例如,可以创建一个标量函数来计算两个数的和。 示例代码: 示例代码: 推荐的腾讯云相关产品:腾讯云数据库SQL Server版(https://cloud.tencent.com/product/sqlserver) 表值函数(Table-Valued Function):返回一个表格作为结果集。可以用于查询和处理...
] parameter_data_type [ NULL ] [ = default ] } [ , ...n ] ) RETURNS { return_data_type } [ WITH <clr_function_option> [ , ...n ] ] [ AS ] EXTERNAL NAME <method_specifier> [ ; ] Syntax for CLR table-valued functions. syntaxsql Kopieren CREATE [ OR ALTER ] FUNCTION ...