what is oracle exadata

oracle| strategy What is Oracle's strategy for Linux? Oracle fully supports the Linux operating system. In fact, Oracle is the first commercial database available for Linux. By using Oracle's industry-leading offerings to support

Unfortunately, Oracle encounters undo corruption while running. Of course, the best way is to completely recover it. But what if undo is damaged without backup? The following describes how to solve this problem. If you need a friend's reference, if undo damage is unfortunate

In oracle, what is a sequence ?, Oracle sequence? Sequence: a database object provided by oacle to generate a series of unique numbers. L automatically provides unique values L shared object L mainly used to provide the primary key value L loading sequence values into memory improves access efficiency Creation sequenc

Why is Oracle expdp faster than exp? What is the principle? First read the official oracle 10g documentation: Database Utilities Data Performance Improvements for Data Pump Export and ImportThe improved performance of the Data Pump Export and Import utilities

Unfortunately, Oracle encounters undo corruption while running. Of course, the best way is to completely recover it. But what if undo is damaged without backup? The following describes how to solve this problem. For more information, see If undo damage is unfortunately encou

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

What is the difference between Oracle 10g versions! Oracle 10g Standard Edition Enterprise Edition Oracle10g is divided into four versions:1. Oracle Database Standard Edition one, the most basic commercial version, including bas

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

For an Oracle database tutorial, only physical and logical backups Physical Backup: A backup process that copies the operating system files that actually make up the database from one place to another, usually from disk to tape. Logical backup: Is the process of extracting data from a database in a SQL language and coexisting it in a binary file. The first class is