重复上面的步骤，再次解释查询，生成查询访问计划之后，优化器会计算出一个更好的、与实际结果很接近的基数估计值。

After repeating the above steps to explain the query again to generate the query access plan, the optimizer computes a better cardinality estimate that is very close to the actual result.

youdao

结果表明：注册会计师在各种差错类型中，对滥用会计政策和会计估计的差错出具非标审计意见的比例最大；

Results showed that the auditors were more likely to issue unqualified opinions to errors which were caused by the abuse of accounting policy and accounting estimate.

youdao

结果表明：注册会计师在各种差错类型中，对滥用会计政策和会计估计的差错出具非标审计意见的比例最大；

Results showed that the auditors were more likely to issue unqualified opinions to errors which were caused by the abuse of accounting policy and accounting estimate.

youdao