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分区表查询分区字段触发全表扫描
Asked 7h ago
Modified Jan 1, 0001
Viewed 7
2.1
在分区表中使用DT类型作为分区字段,当执行以下查询时会执行全表扫描,希望对该场景进行优化
SELECT max(dt_field) FROM table_name
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edited Jan 1, 0001
GabrielHuang
1
asked 7h ago
0 Answers
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