PLSQL_Oracle物化视图Material View的基本概念和用法 (概念),2014-06-08CreatedByBaoXinjian1.用法物化视图是包括一个查询结果的数据库对象,它是远程数据的的本地副本,或者用来生成基于数据表求和的汇总表。物化视图存储基于远程表的数据,也可以称为
1.用法 物化视图是包括一个查询结果的数据库对象,它是远程数据的的本地副本,或者用来生成基于数据表求和的汇总表。 物化视图存储基于远程表的数据,也可以称为快照。对于复制,物化视图允许你在本地维护远程数据的副本,这些副本是只读的。 如果你想修改本地副本,必须用高级复制的功能。当你想从一个表或视图中抽取数...
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简介:2014-06-08 Created By BaoXinjian 1. 用法 物化视图是包括一个查询结果的数据库对象,它是远程数据的的本地副本,或者用来生成基于数据表求和的汇总表。 物化视图存储基于远程表的数据,也可以称为快照。 2014-06-08 Created By BaoXinjian 1.用法 ...
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Updated Aug 10, 2024 PLSQL alina-olaru / event_planning_app_java Star 1 Code Issues Pull requests angularjs bootstrap query angular sql sql-server responsive angular-material sqlite-database web-application oracle-11g oracle-db querystring oracle-database sqldeveloper angular-forms angular-flex...
7. Creating and Managing Collections Create and manage associative arrays/PLSQL tables Create and manage nested tables Create and manage varrays 8. Manipulating Large Objects Use of temporary LOBs Describe and use SecureFile LOB Differentiate between internal and external LOBs ...
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