摘要: 下面这段代码执行效率是极慢的(根本没执行完成过): select /*+ parallel(16) */ z.small_code,trunc(hs.CREATED_AT),sum(hs.COST_SCORE) from zfs_hpoint_spend_patched_v hs join hpoi 阅读全文
posted @ 2016-11-03 13:45 张不正 阅读(728) 评论(0) 推荐(0) 编辑
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