The Job of a DBA
The DBA is commonly an enthusiastic role in the Information and Technology department for the huge organizations. Nonetheless, several smaller companies that fail to afford a full-time database administrator commonly contract or outsource the role to the specialized vendors. At times, they unite the part with another so that one person can perform both the functions.
The chief role of a DBA is ensuring optimal up-time meant for the database. Hence, it is available all the time when required. It will commonly comprise troubleshooting and proactive periodic monitoring. This does entail a few technical skills. Additionally, the DBA will require knowledge besides training in the platforms, like operating systems and database engines where database runs.
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Types of DBAs
System DBAs – Also recognized as operations DBAs, production support DBAs, or physical DBAs, System DBAs concentrate on the physical features of database administration, like DBMS installation, patching, configuring, backups, upgrading, refreshing, restoring, maintaining, performance optimization, and disaster recovery.
Application DBAs – Usually found in those organizations that have bought third-party application software, like enterprise resource planning or ERP and customer relationship management or CRM systems. The instances of this application software comprise Siebel, PeopleSoft, and Oracle Applications. Application DBAs overlap the fence that exists between the application software and DBMS and they are liable to ensure that the application happens to be fully optimized meant for the database.
Commonly, they manage every application component which interacts with the database besides carrying out various activities, like application installation, application upgrades, building as well as running data clean-up practices, database cloning, data load process management, and much more.
Development DBAs – Development DBAs concentrates on the developmental and logical features of database administration, like designing and maintenance of data model, SQL writing, data definition language or DDL generation, collaborating with developers, and coding stored processes to aid in choosing the ideal DBMS feature or functionality besides various other activities of pre-production.
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Responsibilities of DBAs
A database administrator does control the growth of the databases of a company for keeping important data obtainable to users who have got authorized access. These people work with information system managers closely for customizing database solutions. The job of the DBAs is monitoring database systems for ensuring error-free and efficient functioning.