sql:variable("variableName") as xdt:anyAtomicType? 備註 如系結關係型數據內部 XML 主題中所述,當您使用 XML 數據類型方法在XQuery 內公開關係型值時,可以使用此函式。 例如, query() 方法 可用來針對儲存在 xml 資料類型變數或數據行中的 XML 實例指定查詢。 有時候,您可能也希望查詢使用 Transact-SQL...
sql:variable("variableName") as xdt:anyAtomicType? 备注 如主题“绑定关系数据内部 XML”中所述,使用XML 数据类型方法在 XQuery 中公开关系值时,可以使用此函数。 例如,query() 方法用于针对存储在xml 数据类型变量或列中的 XML实例指定查询。 有时,你可能还希望查询使用 Transact-SQL 变量或参数中的值将关系...
有关系统数据类型的详细信息,请参阅数据类型 (Transact-SQL)。有关 CLR 用户定义类型或别名数据类型的详细信息,请参阅CREATE TYPE (Transact-SQL)。 =value 以内联方式为变量赋值。值可以是常量或表达式,但它必须与变量声明类型匹配,或者可隐式转换为该类型。
Can be the target of either a cursor type or another cursor variable. For more information, seeSET@local_variable(Transact-SQL). Can be referenced as the target of an output cursor parameter in an EXECUTE statement if the cursor variable doesn't have a cursor currently assigned to it. ...
SQL DECLARE@p Point;SET@p=point.SetXY(23.5,23.5); I. Create a variable for a CLR type and calling a mutator method The following example creates a variable for the typePoint, and then executes a mutator method inPoint. SQL CREATEASSEMBLYmytestFROM'c:\test.dll'WITHPERMISSION_SET =SAFECRE...
13 SQL*Plus Error Messages Part IV SQL*Plus Appendixes A SQL*Plus Limits B SQL*Plus COPY Command C Obsolete SQL*Plus Commands D SQL*Plus Instant Client Index Syntax VAR[IABLE] [variable[type[=value]]] Declaresa bind variable that can be referenced in PL/SQL, or lists the current displa...
See the following example, if your application needs to restrict null values in PL/SQL variables. DEFAULT Specifies a default value for the variable. This default is evaluated every time that the block is entered. For example, if SYSDATE has been assigned to a variable of type DATE, the ...
In this article, I will give an overview of Execute SQL Task in SSIS and I will try to illustrate some of the differences between writing an expression to evaluate SqlStatementSource property or writing this expression within a variable and change the Execute SQL Task Source Type to a variable...
If you need more room in a single input field query editor, pause on the lines in the lower right corner of the field and drag downward to expand. (Optional) In theRegexfield, type a regex expression to filter or capture specific parts of the names returned by your data source query. ...
实际的问题:在使用动态指针的时候,将资料指到对应的SQL 并且fetch into 相对应的 record 类型,但是此记录定义的变量与SQL指针的变量不一致导致的。 TYPE r_fa_vendorISRECORD( company_idNUMBER, company_codeVARCHAR2(30), company_nameVARCHAR2(240), ...