一步一步,循序渐进

SELECT /*+ rule */ s.username,decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK',NULL) LOCK_LEVEL,o.owner,o.object_name,o.object_type,s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuserF...

Year Salary 2000 1000 2001 2000 2002 3000 2003 4000 想得到如下形式的查询结果 Year Salary 2000 1000 2001 3000 2002 6000 2003 10000 ...

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