Since the graph is stored in the database tables it has a schema. This is unlike the graphs created with a flexible schema, where the data is copied from the source tables to property graph schema tables as described in Property Graph Schema Objects for Oracle Database. One ...
ALL_USER_VIEWS ALL视图描述用户可以访问的视图 USER_views USER视图描述用户所拥有的视图 在oracle中很多视图都是这样来命名的b比如 索引,表空间 等都是这样的,所以记住规律对于以后的学习是很有帮助的。
11gR2的 V$ view 动态视图一览图, 很可惜目前只有这个模糊版的:
Although in Oracle Database 11g, analytic workspaces can now also take advantage of materialized views and query rewrite. Firstly we need to get a better appreciation of these two features within the database. Throughout the white paper, it is assumed that the reader is familiar with data ...
the workload of the database administrator is eased and the user no longer needed to be aware of the summaries that had been defined. Instead, the end user queries the tables and views at the detail data level. The query rewrite mechanism in the Oracle server automatically rewrites the SQL...
India's financial services leader taps highly available, secure Oracle Exadata workloads on OCI using data lakes and analytics in Azure.
Oracle Oracle Database 12c: Using Analytic ViewsBefore You Begin Prepare the Hands-On Environment Define Analytic View Objects Using Analytic Views Want to Learn More?About Oracle Contact Us Legal Notices Terms of Use Your Privacy Rights Copyright © 2016, Oracle and/or its affiliates. All rig...
Oracle错误:database not openqueries allowed on fixed tablesviews only dba用户无法对数据库进行查询操作 1、查找阻塞的文件 SQL>alterdatabaseopen; 2、执行删除操作 SQL>alterdatabase datafile'/u01/app/oracle/product/11.2.0/db_1/dbs/C:ORACLEPRODUCT11.2.0DBHOME_1ORADATACOSTCTL3COSTCTL_TBS.DBF'offlin...
Analytic Views: An In-Database Semantic Layer Oracle analytic views are a feature of every edition of the Oracle Database. Using analytic views, a subject matter expert can fully define how a data set (a collection of tables) should calculate and present data to applications a...
Oracle Database CHECK NUMBER For tables/views/triggers/function/procedure,SELECTDISTINCT(TABLESPACE_NAME)FROMALL_TABLES;SELECTCOUNT(*)FROMALL_TABLESWHERETABLESPACE_NAME='xx'ORDERBYTABLE_NAMEASC;--COUNT384SELEC