oracle what is audited

What is the Oracle database shutdown and startup command ?, Oracle commandsPreface Log on to sqlplus with sysdba and run the following command. On windows, the background processes that constitute instances in oracle are implemented by threads derived from the

/Tmp/. oracle,/var/tmp/. oracle What should I do if it is deleted? The official documents are described as follows: 3 Installing Oracle Grid Infrastructure and Oracle Real Application Clusters Caution: After installation

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

What is the Oracle character set? How to view the database character set? Explains how to modify the character set of oracle.1. What is the Oracle character set? The

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

In the actual work we often encounter some Oracle database performance is low, of course, the reasons for the low performance of Oracle database is various, we can through some correct design and diagnosis to try to avoid some Oracle database performance

When operating the Oracle view through DML, a very important condition is that the base table to be operated must be a key-preserved table.So what is the key-preserved table? Oracle defines it:A table is key preserved if every key

If you want to give you a minute to become the president of Oracle, you don't need to wear Larry Ellison's expensive suit on his yacht, but let you decide the fate of MySQL, what do you do? I just spent 7.4 billion yuan to acquire Sun Microsystems, and the European Commission for anti-monopoly investigations suddenly moved out of this everyone's favorite open-source database to find you. How do you choose?

As an Oracle DBA, you must know what Metalink is.Metalink is the official technical support site for Oracle, its url: http://metalink.oracle.com. Oracle uses this website to support customers around the world. According to statistics from

Turn: What is the difference between MySQL and Oracle? 1. Oracle is a large database, while Mysql is a small and medium-sized database. The market share of Oracle

path API. This format was very similar to the format stored in Oracle database datafiles inside of tablespaces. Therefore, no client-side conversion to inserts statement bind variables is performed.--Exported data file is block format, not exp SQL statementThe supported data access methods, direct path and external tables, i