This is not equivalent to running a complete statistics refresh on resulting tables of an ALTER FRAGMENT.
这与在运行ALTERFRAGMENT 后的表上执行完整的统计刷新是不同的。
Accurate and complete statistics will help drive good access path advice, and of course the index advisor should not be executed without good statistics.
准确而全面的统计数据能帮助生成良好的访问路径建议,当然,索引advisor工具执行时要有准确的统计数据。
Accurate and complete statistics will help drive good access path advice, and of course the index advisor should not be executed without good statistics.
准确而全面的统计数据能帮助生成良好的访问路径建议,当然,索引advisor工具执行时要有准确的统计数据。
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