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set explain on; select * from tabname;
“连续扫描”?什么意思?哪位朋友熟悉,帮忙分析一下,下面的结果是什么意思?谢谢
执行了这句sql,结果如下:
DISPLAY: Next Restart Exit
Display next page of results.
----------------------- arena@wnmserver3 ------- Press CTRL-W for Help --------
id 6656
message LevelInfo:all
name
applicationid 400
operatorid -1
operationid
logtime 2006-07-20 09:39:14
levelinfo INFO
source com.boco.arena.web.services.LogBiz.getLogInfo(LogBiz.java:37)
sourcelabel com.boco.arena.web.struts.action.LogAction.getLogInfo
stacktrace
start_time
stop_time
Running . . . |
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