dba

1. Professional versatile (being an expert generalist) Knowledge of the storage, operating system and other fields, Cross-platform database technology is also necessary to master, You can't leave the Windows environment. Nothing can be done under

Oracle Oracle Expert Tuning Secrets Objective 　　 Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve

oracle| Server | advanced This article will introduce Oracle Database 9IR2 installation under red Hat Linux Advanced server2.1, if you have experience installing Oracle8i, the following installation process is trivial: Hardware requirements: Hard

Application Purpose ======= The purpose of this article are to provide a understanding of freelists and freelist. SCOPE & Application =================== This article was intended to being used by DBAs to help understand the how freelists and

Data files for MySQL First, the system parameter DataDir In MySQL, each database will have a folder named after the database in the defined (or default) data directory, which is used to store various table data files in the database DataDir

Install FEDORA2 2. Download oralce10g (www. Oracle. com), general installation simply download ship.db.cpio.gz 3. untie [Oracle @oar10g oracle]$ cd/tmp [Oracle @oar10g oracle]$ GZIP-CD ship.db.cpio.gz | Cpio–idmv 4. Modify the Linux system

Q: Why is it slow to operate on a table with 30,000 records and indexed tables? A: 30,000 records are not too much, you feel a bit slow may be the reason for too many records, because each record is too long, or your machine performance is very low,

Oracle Objective Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies.

Most WEB applications today need to adopt at least some basic security policy. For example, a Web site that provides password-protected content, only Web sites with admin backend, blogs and personal magazines, E-commerce sites, intranet, and so on.

Data | database 1. Test the Sybase jconnect-5_2 JDBC Database interface with one JSP file: FFFF00 border=1> JSP test Sybase jconnect-5_2 JDBC Database interface jsp test Sybase Jconnect-5_2 JDBC Database interface " +rs.getstring ("emp_lname") + "")

A lot of the time, do Oracle DBA us, when the application administrator to inform us that the application is now slow, the database is very slow, when we go to the database to do a few examples of select also found the same problem, sometimes we can

Oracle Data Guard, logical standby and physical standby. Here are the steps to build a physical standby environment. First, enable Force Logging Set the primary database to force logging mode. Use the following statement: View Status: Sql>

oracle| to install Oracle 8i on Linux (Note: Refer to http://vip.6to23.com/hanson/htdocs/oracle.htm and make corrections during installation) There's been a lot of discussion about Oracle installation, but in practice you always have some trouble,

Open source database MySQL has developed to today has a very broad user base, some say it has a strong challenge to the traditional business database, and some say it has yet to prove itself in the corporate environment, and this article lists the

Objective Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies. One of

DB2PD Options for lock monitoring DB2PD is a utility for monitoring various DB2 database activities and troubleshooting. It is a stand-alone utility that starts with the DB2 engine, starting with the DB2 V8.2, and looks and functions like the

Oracle No setting required to immediately recognize all changes to a row In the Oracle9i Database, we saw that it introduced a "time Machine" in the form of a flashback query. This feature allows the DBA to see the column value at a specific time,

Data | database | performance Storage performance Assessment When storing performance evaluations, we use the Disk Performance index (DPI, disk Performance Index), and the following table lists the indices in the DPI, which do not imply a full

When I was in charge of managing a technical consulting firm, I heard some reasons not to use MySQL. While many of the reasons are misleading, there are some very good reasons not to use MySQL. Of course, the actual situation will vary depending on

In Oracle databases, it is often difficult for management tablespaces to visualize data from SQL queries. One way to achieve tablespaces visualization and easier management is to create a segmented use mapping (block usage maps) similar to the