我已分出一张表格,并按开立账户予以分立。 也就是说,有记账率=1的分行将分立,所有开户=2的分行将分治。 现在,如果有人问,情况说明=1 ql服务器将只在分级查询。
如果在账户=1和地点=“aa”时加上另一个条件,那么这种查询只能进行分级或整个表格的检索? 请提供帮助。
它只应寻找分部分A。
你可以通过审查执行计划来核实这一点。
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