2019-02-21
sql执行count(1) 统计行数 过慢
sql统计行数时过慢,单查询很快
select count(1) from ( select rownum id, 37 ad_client_id, 27 ad_org_id, q.tmseason season, s.whs_channel, s.customer_group, s.branch, s.branch_cn, s.customer_code, s.customer_name, s.region, s.blr, s.product_channel, r.sta_code, r.article_no, m.division, m.category, m.theme, m.exc_lusive, r.moq, r.actual_num order_qty, decode(r.moq,0,0,decode(sign(r.moq-r.actual_num),1,round(r.actual_num/r.moq,2),1)) compliance_check, rt.compliance_check sta_compliance_check, rt.take_ratio take_ratio, u.id as ownerid, r.create_date creationdate, '' modifierid, sysdate modifieddate, 'Y' isactive from rust_cluster_assor_result_info r, rust_cluster_assortment_result rt, b_qinfo q, m_product_hub m, b_sta_master s, users u where r.b_qinfo_id = q.id and r.b_qinfo_id = rt.b_qinfo_id and r.sta_code = rt.sta_no and q.tmseason = m.TM_SEASON and r.article_no = m.article_no and r.b_qinfo_id = s.b_qinfo_id(+) and r.sta_code = s.sta_code(+) and s.customer_code = u.name)
附件会上传执行计划
收藏
分享
5条回答
默认
最新
回答交流
提交
问题信息
请登录之后查看
附件列表
请登录之后查看
邀请回答
暂无人订阅该标签,敬请期待~~
墨值悬赏

评论
