我是搬运工....http://www.oracle-base.com/articles/plsql/articles-plsql.php Oracle 8i Oracle 9i Oracle 10g Oracle 11g Oracle 12c Miscellaneous Oracle 8i Bulk Binds - Improve performance by reducing the overhead associated with context switches between the…

发现一个比较有意思的网站,http://www.oracle-base.com/articles/11g/articles-11g.php Oracle 11g Articles Oracle Database 11g: New Features For Administrators OCP Exam Articles Oracle Database 11g Release 1: Miscellaneous Articles Oracle Database 11g Release 2: Misc…

In this post, I will give a list of all undocumented parameters in Oracle 11g. Here is a query to see all the parameters (documented and undocumented) which contain the string you enter when prompted: – Enter name of the parameter when prompted SET l…

Oracle Dynamic Performance ViewsVersion 12.2.0.1 https://www.morganslibrary.org/reference/dyn_perf_view.html General Information Library Note Coming to OpenWorld 2018? Be sure to visit the TidalScale booth in Moscone South and learn how to solve perf…

How many nodes can one have in an HP-UX/Solaris/AIX/Windows/Linux cluster? Technically and since Oracle RAC 10g Release 2, 100 nodes are supported in one cluster. This includes running 100 database instances belonging to the same (production) databas…

http://docs.oracle.com/cd/B19306_01/install.102/b15667/rev_precon_db.htm#i1027493 The Oracle Database 10g software identifies a database by its global database name. A global database name consists of the database name and database domain. Usually, t…

v3.2.0 (2017-03-07) Common Tenant based UI customizations (allow tenants to upload custom CSS and logo). Edition based user count restriction. Upgraded to Angular v2.4.9 and Angular CLI RC.1. Upgraded to ABP v1.5. Updated some translations. Bugfix an…

Motivation 承并发编程笔记Outline,这篇文章专注于记录学习基于锁的并发概念的过程中出现的一些知识点,为并发高层抽象做必要的准备. 尽管存在Doug Lee开山之作Concurrent Programming in Java, 2th edition: Desing Principles and Patterns.Brian Goetz撰写的一些列文章(http://www.ibm.com/developerworks/cn/java/j-jtp/ ).以及随后出现的一系列有关Ja…

http://www.mirkosertic.de/doku.php/javastuff/javafxgameauthoring —————————————————————————————————————————————————— A JavaFX based Game Authoring System A few weeks ago I decided to enhance my knowledge in game coding, so I bought two very interestin…

公司服务器是120核心cpu,但是实际应用中只有40核,原因是业务部门发现服务器cpu承载30%的时候sql 就会卡死: 然后从sqlserver 去查询,cpu核心数: SELECT COUNT(1) FROM SYS.DM_OS_SCHEDULERS WHERE SCHEDULER_ID<255 结果:120 但是cpu核心数对于sqlserver 是可以配置调节: 然后查看在使用是多少个? SELECT COUNT(1) FROM SYS.DM_OS_SCHEDULERS WHERE SC…