SQL操作應(yīng)用——顯示文章、提交人和最后回復(fù)時(shí)間
提問(wèn)人:ylm發(fā)布時(shí)間:2020-09-28
顯示文章、提交人和最后回復(fù)時(shí)間
SQL: select a.title,a.username,b.adddate from table a,(select max(adddate) adddate from table where table.title=a.title) b
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