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
SQL Server存储过程中 WHILE @@FETCH_STATUS=0 作用:Sql中的游标指针的位置判断。代表游标读取下一条数据是否成功!FETCH_STATUS状态有三种: 0, FETCH 语句成功 -1, FETCH 语句失败或此行不在结果集中 -2, 被提取的行不存在 @@fetch_status值的改变是通过fetch next from实现的 “FETCH NEXT FROM Cursor” 0...
游标一般格式: DECLARE 游标名称 CURSOR FOR SELECT 字段1,字段2,字段3,... FROM 表名 WHERE ... OPEN 游标名称 FETCH NEXT FROM 游标名称 INTO 变量名1,变量名2,变量名3,... WHILE @@FETCH_STATUS=0 BEGIN SQL语句执行过程... ... FETCH NEXT FROM 游标名称 INTO 变量名1,变量名2,变量名3,... ...
FETCH NEXT FROM contact_cursor INTO @LastName, @FirstName; -- Check @@FETCH_STATUS to see if there are any more rows to fetch. WHILE @@FETCH_STATUS = 0 BEGIN -- Concatenate and display the current values in the variables. PRINT 'Contact Name: ' + @FirstName + ' ' + @LastName...
声明游标(Declare Cursor) 打开游标(Open Cursor) 提取游标(Fetch Cursor) 关闭游标(Close Cursor) 释放游标(Deallocate Cursor) 使用游标的过程如下: 注:图片来源 https://www.sqlservertutorial.net/sql-server-stored-procedures/sql-server-cursor/ 1.4 基本语法 ...
Applies to: SQL Server Fetches a buffer of one or more rows from the database. The group of rows in this buffer is called the cursor's fetch buffer. sp_cursorfetch is invoked by specifying ID = 7 in a tabular data stream (TDS) packet. Transact-SQL syntax conventions Syntax s...
问cursor - FETCH next from不是MySQL游标中循环中此位置的有效输入。EN存储过程（Stored Procedure）是...
Microsoft Fabric SQL 数据库 通过Transact-SQL 服务器游标检索特定行。 Transact-SQL 语法约定 语法 syntaxsql FETCH[ [NEXT|PRIOR|FIRST|LAST|ABSOLUTE{ n | @nvar } |RELATIVE{ n | @nvar } ]FROM] { { [GLOBAL]cursor_name} | @cursor_variable_name} [INTO@variable_name[ ,...n ] ] ...
FETCH [[NEXT] FROM] cursor_name INTO var_name [, var_name] ... This statement fetches the next row for the SELECT statement associated with the specified cursor (which must be open), and advances the cursor pointer. If a row exists, the fetched columns are stored in the named variables...
FetchCursorStatement.IntoVariables PropertyReference Feedback DefinitionNamespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.DacFx v150.5282.3 Optional INTO variables C# 复制 public...