2019-06-26
阅读量:
1078
请把下一语句用hive方式实现?
请把下一语句用hive方式实现?
答:
SELECT a.key,a.value
FROM a
WHERE a.key not in (SELECT b.key FROM b)
答案:
select a.key,a.value from a where a.key not exists (select b.key from b)






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