DECLAREcursor_nameCURSOR[LOCAL | GLOBAL][FORWARD_ONLY | SCROLL][STATIC | KEYSET | DYNAMIC | FAST_FORWARD][READ_ONLY | SCROLL_LOCKS | OPTIMISTIC][TYPE_WARNING]FORselect_statement[FOR UPDATE [ OF column_name [ ,..
关闭游标调用的是Close语句,方式如下:Close Global MyCursor Close MyCursor 释放游标调用的是Deallocate语句,方法如下:Deallocate Glboal MyCursor Deallocate MyCursor 游标实例: Declare MyCusror Cursor Scroll For Select * From Master_Goods Order By GoodsID Open MyCursor Fetch next From MyCursor Into @Good...
打开CURSOR是指将其与查询结果关联起来,以便获取数据。下面的代码演示了如何打开之前声明的CURSOR: OPENmyCursor; 1. 3.3 获取CURSOR的数据 在打开CURSOR后,我们可以使用FETCH语句获取CURSOR的数据。下面的代码演示了如何获取CURSOR的下一行数据,并将其存储在变量中: FETCHNEXTFROMmyCursorINTO@variable1,@variable2,......
Hi, I have the below code, and I need to keep the result in the temp table. When I add Insert into temp table is extracting nothing while without it we have 7 records, and 7 records result is the correct result. Could you please help me what is
サーバー名 server True string SQL Server 名 データベース名 database True string データベース名 テーブル名 table True string テーブルの名前 行 item True dynamic 指定したテーブルに挿入する行 戻り値 この操作の出力は状況に応じて変わります。 行...
Although the database API cursor models consider a forward-only cursor to be a distinct type of cursor, SQL Server doesn't. SQL Server considers both forward-only and scroll as options that can be applied to static, keyset-driven, and dynamic cursors. Transact-SQL cursors support forward-only...
sql server cursor 的用法 sqlserver use go 看了几篇文章,云里雾里,直到这篇本人才算有所收获。 SQLSERVER 中GO的作用详解 具体不废话了,请看下文详解。 use db_CSharp go select *, 备注=case when Grade>=90 then '成绩优秀' when Grade<90 and Grade>=80 then '成绩良好'...
以下为使用 Server Management Studio 进行对象脚本导出。 方法二:通过 SQL 导出。以下提供常用的导出 SQL 命令。 (1)导出某个库中的全部触发器: DECLARE @trname VARCHAR(100) DECLARE CURSOR_DATA CURSOR FOR SELECT name from sys.all_objects where schema_id=1 AND type = 'TR' open CURSOR_DATA FETCH ...
SQL Server considers both forward-only and scroll as options that can be applied to static, keyset-driven, and dynamic cursors. Transact-SQL cursors support forward-only static, keyset-driven, and dynamic cursors. The database API cursor models assume that static, keyset-driven, and dynamic ...
DECLARE CURSOR如果使用 Transact-SQL 语法未指定READ_ONLY,OPTIMISTIC或者SCROLL_LOCKS默认值如下所示: SELECT如果语句不支持更新(权限不足、访问不支持更新的远程表等),则游标为READ_ONLY。 STATIC和FAST_FORWARD游标默认为READ_ONLY。 DYNAMIC和KEYSET游标默认为OPTIMISTIC。