what is oracle discoverer

What is the silence killer of Oracle server virtualization VMware? -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Although Wall Street and the IT industry are still pushing for VMware, the company has apparently encountered serious challenges. According to the ESG research firm, large enterprises

the data, such a huge table, so that the logical backup of data, query, and even based on log table fallback has produced a huge efficiency problem. How can I quickly and efficiently delete log information from three months ago, how can I quickly retrieve information about the current month, how to make full use of the physical environment of multiple disk space (bare devices), and increase the degree of parallelism balance I/O to improve the usability of the performance-enhancing database? T

[Translated from mos] What is split-brain in Oracle Clusterware and RAC? mosclusterware What is split-brain in Oracle Clusterware and RAC? Source:What is Split Brain in

:10.2.0.5, 11.1.0.7.3, 11.1.0 .7 Patch for Windows and 11.2.0.1 4. Bug 7587008-hung RAC instance not evicted from cluster Document 7587008.8 Fixed in:10.2.0.4.4, 10.2.0.5 and 11.2.0 .1, one-off patch available for various 11.1.0.7 release 5. Bug 11890804-LMHB crashes instance with ORA-29770 after long "control file sequential read" Waits Document 11890804.8 Fixed in 11.2.0.2.5, 11.2.0.3 and 11.2.0.2 patches on Windows 6. Bug:13732226-node GETS Evicted with REASON CODE 0X2 Bug:13399435-kjfcdr

software, testing the effectiveness of tuningChongqing si Zhuang Oracle Database performance Optimization 10 OCM expert teamHttp://www.cqsztech.com/content/109/227.htmlChongqing si Zhuang Technology Co., Ltd. is the Oracle third-party technical service units, southwest China is the earliest professional provider of

HACMP can be said to be a server engineer, and there is no unknown-IBM's housekeeping architecture. I have recently asked readers to talk about the issue of HACMP by phone or email. Here, I will repost an article from IBM, which is very well written and accurate. It is a lot better than what I said. Everyone will benef

Oracle databases are very different from MSSQL data operations, but there are analogies in mirroring operations. This article is about how MSSQL database mirroring is implemented in Oracle databases, and what differences exist between them. First, the mirror database in the

[51CTO quickly translated from toutiao.com in September 22] If you want to give you a minute to become the president of Oracle, you are not required to wear LarryEllison's expensive suit on his yacht, but let you decide the fate of MySQL. What do you do? Just spent 7.4 billion to acquire SunMicrosystems, and the EU anti-monopoly investigation committee suddenly moved out of this person 51CTO

[Oracle] undo corruption without backup. What should I do if undo corruption is unfortunately encountered in Oracle running? Of course, the best way is to recover completely, but if there is no backup, you can use an unconventiona

. CREATEORREPLACEproceduream(msg1varchar2,msg2varchar2)as begin dbms_output.put_line(msg1||msg2); end; / After compilation, the following is an example. SQL>setserveroutputon SQL>execam('HereIam',46); HereIam46 PL/SQLproceduresuccessfullycompleted. Well, this output may look better (note that there are no spaces in the output msg1 and msg2 ). At this point, we must format one or all two message inputs to make the o

This is a recovery that is performed by the system. No human management and operation is required. This method is generally used when the system fails due to sudden power failure. Automatic recovery occurs when the database is started again. Unlike a simple DOS system, the

1. B-tree IndexThe most common index type in an Oracle database is the B-tree index, the B-tree index, named after its scientific structure with the same name. CREATEWhen the index statement is created, the default is to create the B-tree index. No special provisions can be used in any situation.2. Bitmap indexing (bit

title is changed to ctime. According to the OS process number, you should be able to find out what SQL statement it is executing.-- Query the SID number of the Oracle OS process:Select SES. Sid from V $ session SES, V $ process pro where pro. spid = spid and SES. paddr = pro. ADDR;-- Query the SQL statement that the

a common parent project. This makes it possible to build all of the child projects as long as the parent project is built. The Pom of the subproject inherits the parent project's POM. In addition, all POM has inherited a super-pom. Super-pom set some default values, such as the default directory structure mentioned in the first article, the default plug-ins, and so on, which follow the rules of Convention over configuration. So while our POM

What is the difference between number and BINARY_DOUBLE in oracle?The main advantage is: it is more efficient than number, faster, and takes less space, but the version compatibility is poor.Numeric numeric typeNUMBER: this

Tags: archiveOur Oracle database defaults to non-archive mode, and if there are three redo log groups, when all three log groups are fully filled, the first log group will start looping, and the contents of the first log group will be completely overwritten, so if the database crashes and you want to recover the data that was earlier, That's a pit.What to do?You ask me, I tell you. Switching the database log mode to archive mode

Oracle software generally uses the host name to allow the client to directly enter the host name of the server rather than the IP address network to connect to the server. To achieve this goal, you need to map the Host Name and IP address into a ing entry. In Windows, the rtlIPv Oracle software generally uses the host name to allow the client to directly enter the host name of the server rather than the IP

function can not specify a compressed backup, relatively Oracle's active protection function is very common; 6, the function of the operation of DB2 I also very much love, Oracle also has similar ahm, but the operation of DB2 more direct, can see what the database is currently in doubt, DB2 give the idea of how to dis

Replay eygle's example in the speech at the Oracle conference to see what is the master's starting point and face, replay eygle In his speech at the just-concluded Oracle conference, the company demonstrated the optimization of vertices and surfaces through a simple UPDATE statement,

Article Source: http://blog.csdn.net/haiross/article/details/383796151 Oracle: Table name, field name, constraint name are limited in length2 3 naming rules for Oracle:41, to start with a letter52, contains letters and numbers, and # $63, cannot exceed 30 characters7 8 This is the limitation of Oracle! 9 Ten database t