在SQL Server中，你想在qlist表中使用游标查询一行。下面哪条语句指定游标qselect来执行所需的操作？( )
DECLARE qselect CURSOR ON SELECT * FROM qlist
DECLARE qselect CURSOR FOR SELECT * FROM qlist
DECLARE qlist CURSOR ON SELECT * FROM qselect
DECLARE qselect CURSOR AS SELECT * FROM qlist
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