This Oracle DBA online training gives you description of the Oracle DBA tool.
Database administration refers to the whole set of activities performed by a database administrator to ensure that a database is always available as needed. Other a closely related tasks and roles are the database security, database monitoring and the Troubleshooting, and a planning for future growth. In Oracle DBA online training, there are three basic categories of the physical files used to store information. These are
- Data files- It contains the data required to the start the database engine.
- Control files- It is the storehouse of the metadata of a database used by the Oracle engine.
- Redo log files- These files are used to be store and the changes made to the database.
- Parameter Files
A database administrator (DBA) directs or performs all activities related to a maintaining successful database environment. The Responsibilities include designing, an implementing, and maintaining the database system. A Oracle DBA online training is expected to stay abreast of emerging technologies and new design approaches. Oracle DBA online training is usually expected to have experience with one or more of the major database management products, such as Structured Query Language, SAP, and an Oracle-based database management software.
Course Overview:
This Oracle DBA online training gives you overview of the Oracle DBA tool. It is the function of managing and maintaining the database management systems (DBMS) software. The Oracle DBA online tutorials explain mainstream DBMS software such as Oracle, IBM DB2 and Microsoft SQL Server needs ongoing management. As such as corporations that use the DBMS software often hire specialized IT (Information Technology) personnel called Database Administrators or DBAs.
There are three types of DBAs:
- Systems DBAs
Focus on the physical aspects of database administration such as DBMS installation, configuration, patching, upgrades, backups, restores, refreshes, a performance optimization, maintenance and the disaster recovery.
- Development DBAs
Focus on the logical and development aspects of a database administration such as data model design and a maintenance, DDL (data definition language) generation, SQL writing and tuning, a coding stored procedures, collaborating with the developers to help choose the most appropriate DBMS feature/functionality and a other pre-production activities.
- Application DBAs
Usually found in organizations that have purchased 3rd party application software such as ERP (enterprise resource planning) and CRM (customer relationship management) systems. An example of such application software includes Oracle Applications, Siebel and PeopleSoft (both now part of Oracle Corp.) and SAP.
Individuals usually specialize in one type of database administration. In smaller organizations, it is not uncommon to find a single individual or group performing more than one type of database administration.
To Learn Oracle DBA, it is required to understand the basic terminologies used in Oracle DBA online training.
- Instance – Oracle DBA online training is defined as a background processes and memory structure used to a retrieve data from a database.
- Process- Also termed as task or job, is a running instance. There are two types of processes in an Oracle database system namely, Oracle processes and the User processes. There is no need to be using any operating system command to interact with the database.
- Buffer Cache – It is a SGA component which acts as like a buffer to store the data being customized or queried. It stores the most recently or frequently used data in memory which improves the performance.
- Shared pool- It captures information to be shared with users. For example: stored procedures, SQL statements etc can be cached for reusability and fast access.
- Large pool- It is an optional area that offer memory allocations for a large processes, like recovery operations and a Oracle backup.
- Locks- For controlling the simultaneous access to data resources, locks are used.
Above mentioned information for Oracle DBA online training is required to get the basic understanding of the database.
Course Benefits
This Oracle DBA online training gives you best advantages of this oracle DBA.
- Ensuring compliance with Oracle license agreements
- Controlling and monitoring user access to the database
- Monitoring and optimizing the performance of the database
- planning for backup and a recovery of database information
- maintaining an archived data on tape
- Backing up and restoring the database
- Contacting Oracle for technical support
- Installing and an upgrading the Oracle Database server and application tools
- allocating system storage and planning future storage requirements for a database system
- Creating primary a database storage structures (table spaces) after application developers have a designed the application
- modifying a database structure, as necessary, from an information given by a application developers
- Enrolling users and a maintaining system security
- Ensuring compliance with Oracle license agreements
- Controlling and a monitoring user access to the database
- Monitoring and an optimizing the performance of the database
- planning for backup and a recovery of database information
- maintaining archived data on tape
- backing up and a restoring the database
- Contacting Oracle for a technical support
Finally by using this Oracle DBA online training you will get clear information about Oracle DBA tool.
