sql optimization to avoid full table scan - Code World

sql optimization to avoid full table scan

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sql optimization to avoid full table scan

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Caused by: java.sql.SQLException: The table ‘XXX’ is full（mysql the table is full）

【解决问题】Caused by: java.sql.SQLException: The table ‘XXX’ is full（mysql the table is full）

To avoid slowing down lookups on a near-full table, we resize the table when it's USABLE_FRACTION (currently two-thirds) full.

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If the subquery does not specify a table, it will match in its own table by default. If the condition field is not found, it will report that there is no such field. If it exists, it will perform a full table scan.

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