来自http://tunps.com/1246962809000
刚才的select语句要查4个表:sc,student,teacher,course….现在弄好了。刚才的select语句要查4个表:sc,student,teacher,course….现在弄好了。
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来自http://tunps.com/1246962809000
刚才的select语句要查4个表:sc,student,teacher,course….现在弄好了。