--UPDATE MemberAccount SET UserName = UserName + 'A' WHERE CURRENT OF My_Cursor; --更新 --DELETE FROM MemberAccount WHERE CURRENT OF My_Cursor; --删除 FETCH NEXT FROM Du_Cursor into @linkmanno,@str; --读取下一行数据 END CLOSE Du_Cursor; --关闭游标 DEALLOCATE Du_Cursor; --释放...
SQL Server provides the@@FETCHSTATUSfunction that returns the status of the last cursorFETCHstatement executed against the cursor;If@@FETCHSTATUSreturns 0, meaning theFETCHstatement was successful. You can use theWHILEstatement to fetch all rows from the cursor as shown in the following code: WHIL...
-- 声明游标DECLAREcur_exampleCURSORFORSELECT*FROMexample_table-- 打开游标OPENcur_example-- 声明变量DECLARE@idINTDECLARE@nameNVARCHAR(50)-- 获取数据FETCHNEXTFROMcur_exampleINTO@id,@name-- 循环处理数据WHILE@@FETCH_STATUS=0BEGIN-- 处理数据,这里只是简单地打印出来PRINT'ID: '+CAST(@idASNVARCHAR(50))...
Cursor implementations Type of cursors Request a cursor Visa 2 fler Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Operations in a relational database act on a complete set of rows. For example, the set of rows returned by aSELECTstatement consists of all the rows that...
W tym artykule Remarks Cursor implementations Type of cursors Request a cursor Pokaż jeszcze 2 Applies to: SQL Server Azure SQL Database Azure SQL Managed InstanceOperations in a relational database act on a complete set of rows. For example, the set of rows returned by a SELECT ...
Request a cursor Show 2 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Operations in a relational database act on a complete set of rows. For example, the set of rows returned by a SELECT statement consists of all the rows that satisfy the conditions in the ...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Defines the attributes of a Transact-SQL server cursor, such as its scrolling behavior and the query used to build the result set on which the cursor operates. DECLARE CURSOR accepts both a ...
Use this keyword when you use cursor variables as parameters. If value is defined as OUTPUT of a module executed against a linked server, any changes to the corresponding @parameter performed by the OLE DB provider are copied back to the variable at the end of the execution of module. If ...
Use this keyword when you use cursor variables as parameters. If value is defined as OUTPUT of a module executed against a linked server, any changes to the corresponding @parameter performed by the OLE DB provider are copied back to the variable at the end of the execution of module. If ...
cursor_name The name of the Transact-SQL server cursor defined.cursor_namemust conform to the rules for identifiers. INSENSITIVE Defines a cursor that makes a temporary copy of the data to be used by the cursor. All requests to the cursor are answered from this temporary table intempdb. Ther...