recomputation

recomputation

1. Disabling automatic recomputation of distribution statistics may prevent the query optimizer from picking optimal execution plans for queries that involve the table.

如果禁用分发统计信息的自动重新计算,可能会阻止查询优化器为涉及该表的查询挑选最佳执行计划。

2. The analysis and recomputation of measurement results obtained in the height determination mentioned above are made in recent years.

对我国近35年来的珠峰高程测定的成果作了分析研究。

3. Disabling automatic recomputation of distribution statistics may prevent the query optimizer from picking optimal execution plans for queries involving the table.

禁用分发统计信息的自动重新计算功能可能会阻止查询优化器为涉及此表的查询选取最佳执行计划。

4. Disabling automatic statistics recomputation can cause the query optimizer to choose a less optimal strategy for queries that involve the specified table.

禁用自动统计信息重新计算会导致查询优化器为涉及指定表的查询选择非最佳的策略。

5. To restore automatic statistics recomputation, reissue UPDATE STATISTICS without the NORECOMPUTE option or run

若要恢复自动统计信息重新计算功能,可重新发出不使用NORECOMPUTE选项的UPDATE STATISTICS或执行