Oracle 分区表 收集统计信息 参数granularity
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了Oracle 分区表 收集统计信息 参数granularity,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含1192字,纯文字阅读大概需要2分钟。
内容图文
![Oracle 分区表 收集统计信息 参数granularity](/upload/InfoBanner/zyjiaocheng/921/4a3fe0affcdb4351a82f1ce5af7e972a.jpg)
GRANULARITY
Determines the granularity of statistics to collect. This value is only relevant for partitioned tables.
参数可选项:
GRANULARITY
- The value determines granularity of statistics to collect (only pertinent if the table is partitioned).
'ALL'
- gathers all (subpartition, partition, and global) statistics
'AUTO'
- determines the granularity based on the partitioning type. This is the default value.
'DEFAULT'
- gathers global and partition-level statistics. This option is obsolete, and while currently supported, it is included in the documentation for legacy reasons only. You should use the 'GLOBAL AND PARTITION
' for this functionality. Note that the default value is now 'AUTO
'.
'GLOBAL'
- gathers global statistics
'GLOBAL AND PARTITION
' - gathers the global and partition level statistics. No subpartition level statistics are gathered even if it is a composite partitioned object.
'PARTITION
'- gathers partition-level statistics
'SUBPARTITION'
- gathers subpartition-level statistics.
exec DBMS_STATS.GATHER_TABLE_STATS(ownname=>'H5YYT',tabname=>'TL_EC_H5_SERVICE_LOG',partname=>'TL_EC_H5_SERVICE_LOG_201809',granularity=>'ALL',estimate_percent=>10,no_invalidate=>false,cascade=>true,degree =>10);
内容总结
以上是互联网集市为您收集整理的Oracle 分区表 收集统计信息 参数granularity全部内容,希望文章能够帮你解决Oracle 分区表 收集统计信息 参数granularity所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。