SQL> declare 2 TYPE row_num_type IS TABLE OF NUMBER INDEX BY PLS_INTEGER; TYPE row_text_type IS TABLE OF VARCHAR2(11) INDEX BY PLS_INTEGER; row_num_tab row_num_type; row_text_tab row_text_type;beginFOR i IN 1 .. 10 LOOP row_num_tab(i) := i; row_text_tab(i) := 'row...
Nested Loop Join 简介 两表连接就相当于二重循环,从A表抽一条记录,遍历B表查找匹配记录,然后从a表抽下一条,遍历B表 例如: select t1.*,t2.* from t1,t2 where t1.col1=t2.col2; 访问机制如下: for i in (select * from t1) loop for j in (select * from t2 where col2=i.col1) loop d...
2425PL/SQL procedure successfully completed 3.FOR...LOOP结构 FOR...LOOP语句可以遍历某个范围的整数,该范围被FOR和LOOP关键词封闭。首次进入循环时,循环范围将被确定,并且以后不会再次计算。每循环一次,循环指数将会自动增加1。 FOR...LOOP语句的语法结构如下: 1[<>]FOR index_name IN[ REVERSE ]2lower_bo...
SQL Server Integration Services provides the following enumerator types: Foreach ADO enumerator to enumerate rows in tables. For example, you can get the rows in an ADO recordset. The Recordset destination saves data in memory in a recordset that is stored in a package variable of Object data ...
PL/SQL允许在运行时动态地确定循环范围。 示例 以下示例演示如何使用for循环 - SETSERVEROUTPUTONSIZE100000;DECLAREa number(2);BEGINFORain10..20LOOP dbms_output.put_line('value of a: '||a);ENDLOOP;END;/ 当上述代码在SQL提示符下执行时,它会产生以下结果 - ...
SQL Server Integration Services provides the following enumerator types: Foreach ADO enumerator to enumerate rows in tables. For example, you can get the rows in an ADO recordset. The Recordset destination saves data in memory in a recordset that is stored in a package variable of Object data ...
The Foreach Loop container repeats the control flow for each member of a specified enumerator.SQL Server Integration Services provides the following enumerator types:Foreach ADO enumerator to enumerate rows in tables. For example, you can get the rows in an ADO recordset. The Recordset destination...
ForLoop 类 登录 此主题的部分內容可能由机器或 AI 翻译。 版本 SQL Server 2019 EventsProvider Executable ExecutableEnumerator Executables ExtendedProperties ExtendedProperty ExtendedPropertyEnumerator FlatFileColumn ForEachEnumerator ForEachEnumeratorHost ForEachEnumeratorInfo...
Microsoft.SqlServer.Dts.Runtime 命名空間 ForLoop 類別 SQL SQL Server 2008 Microsoft.SqlServer.Dts.Runtime 命名空間 ForLoop 類別 閱讀英文 儲存 新增至集合 新增至計劃 共用方式為 Facebook x.com LinkedIn 電子郵件 列印 發行項 2010/09/24 本文內容 事件 請參閱 ForLoop 事件 ForLoop 型別...
ForLoop 方法 ForLoop 型別公開下列成員。 方法 展開表格 名稱描述 AcceptBreakpointManager This method is called by the run-time engine when a task or container is created, and passes it a BreakpointManager manager to allow the task to create, remove, and check the status of breakpoints. This...