考虑下表:[Table:talks]talkID|title|starred-------+--------------+--------1|talk1-title|12|talk2-title|13|talk3-title|04|talk4-title|05|talk5-title|0[Table:talkspeaker]talkID|speaker-------+---------1|Speaker11|Speaker22|Speaker33|Speaker43|Speaker54|Speaker65|Speaker75|Speaker8[Table:similartalks]ta
