Databases Articles

With the internet now an essential platform for business in a modern world, new and better ways of doing business have formed, along with increasing security challenges. Problems that once were solved have now cropped up again for business, with entirely new challenges that now must also be faced. We look at how information technology consultants can help you manage your business' data security.

When we speak about schools, you may refer this as an institution where learning takes place. Lots of information are accumulated as teachers prepare lessons and students are graded basing from their school performance. To sum it all, these information come in bulk when grouped together. With this, you need a school software to handle all your records as modern technology requires.

If you are a company or business and are looking for your very own server, take note they usually are pretty pricey but worth your while if you need the extra room and security.

you execute a SQL statement in parallel, then the default behavior is for Oracle to run the parallel processes only on the instances that offer the service that you used to connect to the database.

Framing a Disaster Recovery mechanism for your Oracle database may seem to be a nightmare, but Oracle Data Guard is a straightforward solution to this problem. Put in very simple words, Oracle Data Guard can be used to maintain one or more synchronized copies of your production database.

A user deletes data from a table and commits it. How do you retrieve that data? If using a version of Oracle with flashback technology AND you are made aware of the error while the undo information is still retained that’s not so much of a problem.

A complete high availability and disaster recovery strategy requires dependable data backup, restore, and recovery procedures. Oracle Recovery Manager (RMAN), a command-line and Enterprise Manager-based tool, is the Oracle-preferred method for efficiently backing up and recovering your Oracle database.

There are three distinct options available for an installer of an Oracle database. Those available storage options for database files are File Systems, Oracle’s Automatic Storage Management (ASM), or Raw Devices.

Archived redo logs are the key to successful media recovery. Back them up regularly. You can back up logs with BACKUP ARCHIVELOG, or back up logs while backing up datafiles and control files by specifying BACKUP ... PLUS ARCHIVELOG.

A consistent backup of the database is one taken when the database is in a consistent state, that is, one taken after the database has been shut down normally (using SHUTDOWN NORMAL, SHUTDOWN IMMEDIATE or SHUTDOWN TRANSACTIONAL).

Oracle Database 11g now offers a way to quickly identify users with default passwords.

You can use the RMAN DUPLICATE command to create a duplicate database from backups of the target database (primary database) while retaining the original target database.

Oracle RAC systems provide two methods of failover to provide reliable access to data:Connection failover and Transparent Application Failover

Install Oracle Clusterware and Oracle Database software using Oracle Universal Installer (OUI), and create your database with Database Configuration Assistant (DBCA). This ensures that your Oracle RAC environment has the optimal network configuration, database structure, and parameter settings for the environment that you selected.

Backing up all or part of your database is accomplished by using the BACKUP command from within the RMAN client.RMAN uses the configured settings and channels for your database, the record of previous backups in the RMAN repository and the control file's record of the structure of your database to determine an efficient set of specific steps to perform in response to a BACKUP command, and then carries out those steps.