优化数据库表_有道手机词典

1.一个临时的解决方法是优化数据库表(就像以前做的)。
A short term fix (as has been done before), is to optimize the database tables.
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2.更新数据库服务器用于优化查询的系统编目表。
Update system catalog tables that the database server USES to optimize queries.
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3.相反，优化器将对查询中引用的每个数据库表收集最新的统计数据。
Instead, the optimizer gathers up-to-date statistics on every database table referenced in a query.
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