Api-Servercursor (Application Programming Interface)API-Cursor unterstützen die API-Cursorfunktionen in OLE DB und ODBC. API-Servercursor werden auf dem Server implementiert. Jedes Mal, wenn eine Clientanwendung eine API-Cursorfunktion aufruft, überträgt der OLE DB-Anbieter des SQL Server Nati...
REF:https://stacktuts.com/how-to-check-if-cursor-exists-open-status-in-sql
for update ---2. 打开游标:使用Open语句打开Transaction-SQL服务器游标,执行Open语句的过程就是按照Select语句惊醒填充数据 ---打开游标以后游标位置在第一行 Open MyCursor ---3. 读取游标数据:在打开游标以后,使用Fetch语句从Transaction-SQL服务器游标中检索特定的一行,使用Fetch ---操作可以使游标移动到下一条...
1) Implicit Cursor Conversions have been largely eliminated in SQL Server 2005.For the most part, applications will now get the cursor type that they requested. There are still a very small number of cases where cursors will be converted, and they are documented in SQL Server 2005 Boo...
Supporting data modifications to the row at the current position in the result set. Supporting different levels of visibility to changes made to the database data by other users that is presented in the result set. Note For a full description of the SQL Server cursor types, see Type of Cur...
Defines the number of characters the fragment takes up in the script it was parsed. (Inherited from TSqlFragment) IsGlobal If cursor is global LastTokenIndex Gets or sets the last index of the token. (Inherited from TSqlFragment) Name Cursor name - can be either Identifier...
从语法的角度解释你的错误原因就是:你的select查询显示的是三列内容(name,start,info),但是你在向cursor中填充数据集时只填充了两列(Fetch next From cursor1 into @name,@start),当然会报错了。修改方法,要么查询去掉info,要么在Fetch时加上一列@info ...
The cursordata type cannot be used for a column in a CREATE TABLE statement. Note In this version of SQL Server, thecursor_nameoutput column ofsp_cursor_listandsp_describe_cursorreturns the name of the cursor variable. In previous releases, this output column returns a system-generated name....
SQL Server implicitly converts the cursor to another type if clauses inselect_statementconflict with the functionality of the requested cursor type. FOR UPDATE [ OFcolumn_name[ ,...n] ] Defines updatable columns within the cursor. IfOF <column_name> [, <... n>]is supplied, only the co...
thedefault to local cursordatabase option. In SQL Server version 7.0, this option defaults to FALSE to match earlier versions of SQL Server, in which all cursors were global. The default of this option may change in future versions of SQL Server. For more information, seeSetting Database ...