怎么样利用光标更新数据
怎么样利用光标更新数据
[A]cursor c1 is
select * from tablename
where name is null for update [of column]
……
update tablename set column = ……
where current of c1;
[A]cursor c1 is
select * from tablename
where name is null for update [of column]
……
update tablename set column = ……
where current of c1;
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