syntaxsql 复制 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
> 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; 0.0 2.0 -- Use a SQL function in the WHERE clause of a query. > SELECT * FROM t WHERE area...
In this article Syntax Arguments Returns Diagnostics Show 5 more Conformance Version Introduced: ODBC 1.0 Standards Compliance: ISO 92 Summary SQLGetFunctionsreturns information about whether a driver supports a specific ODBC function. This function is implemented in the Driver Manager; it can also be ...
syntaxsql 複製 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [...
SQLGetInfo returns general information about the driver and data source associated with a connection. Syntax C++ Copy SQLRETURN SQLGetInfo( SQLHDBC ConnectionHandle, SQLUSMALLINT InfoType, SQLPOINTER InfoValuePtr, SQLSMALLINT BufferLength, SQLSMALLINT * StringLengthPtr); Arguments ConnectionHandle...
Delete Query in SQL DELETE Query and TRUNCATE Function in SQL LIKE and BETWEEN Operators in SQL SQL BETWEEN Operator(With Syntax and Examples) How to Use the SQL EXISTS to Check for the Existence of Data? GROUP BY And ORDER BY in SQL SQL ORDER BY SQL GROUP BY Aggregate Function in SQL...
SQL SERVER中的用户定义函数(User Defined Functions 简称UDF)分为标量函数(Scalar-Valued Function)和表值函数(Table-Valued Function)。其中表值函数又分为Inline table-valued functions和Multistatement table-valued functions。 用户定义函数(UDF)在 SQL Server 中发挥重要的作用。用户定义函数可以用于执行复杂的逻辑...
syntaxsql Copy <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
Syntax Remarks Examples See Also Applies to: SQL Server As described in the topic, Binding Relational Data Inside XML, you can use the sql:column(() function when you use XML Data Type Methods to expose a relational value inside XQuery. For example, the query() method (XML data typ...
Transact-SQL 语法约定 语法 syntaxsql sys.sp_cdc_generate_wrapper_function[ [ @capture_instancesysname = ]'capture_instance'] [ , [ @closed_high_end_point= ]closed_high_end_pt] [ , [ @column_list= ]N'column_list'] [ , [ @update_flag_list= ]N'update_flag_list'] [ ; ] ...