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有商品交易表trade,包含用户信息字段userid,商品字

[单选题]
有商品交易表trade,包含用户信息字段userid,商品字段信息itemid,行为类型字段behaviortype(1-曝光;2-购买;3-加入购物车;4-加入收藏夹)执行以下sql语句能够返回至少被加入购物车100次的商品()
  • select itemid from trade where behaviortype=3 and count(itemid)>100
  • select itemid from trade where behaviortype=3 and max(itemid)>100
  • select itemid from trade where behaviortype=3 and having count(itemid)>100 group by itemid
  • select itemid from trade where behaviortype=3 group by itemid
    Having count(itemid)>100
where无法与聚合函数连用,且having聚合函数在group by后使用

发表于 2022-10-25 10:27:51 回复(0)