在OceanBase V4中,以下哪些INSERT操作会在线收集统计信息?
A. INSERT /+PARALLEL(4)/ INTO T1 SELECT * FROM T2
B. INSERT /+GATHER_OPTIMIZER_STATISTICS/ INTO T1 SELECT * FROM T2
C. INSERT /+PARALLEL(4) ENABLE_PARALLEL_DML/ INTO T1 SELECT * FROM T2
D. INSERT /+ENABLE_PARALLEL_DML/ INTO T1 SELECT * FROM T2
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加油加油
4 个赞
BC
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学习了。
3 个赞
B应该是对的吧
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选B
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学习了