Database administrator : A database head, known as DBA , Who needs to keep up the information of the association and give security to the DB. This position in association requires an aptitudes on RDBMS and furthermore solid abilities on information base quires. The DB keeps running on the equipment stage so DBA ought to likewise known the establishments and charges moreover. We Have Different Types Of DBA In Realtime : 1. Administrative DBA: keeps up the servers and databases and keeps them running. Worried over fortresses, securities. Fundamental action is to keeping up the database and s/w program, yet not by any means in creating. 2. Development DBA: Development generally into building up the sql , put away methodology. This resembles a software engineer however should focus on SQL.Hw ought to likewise known the DBA. 3. Data modeler: Architect who fabricated the edge of the whole venture and gives the issues to the arrangements and guides the his group. 4. Data stockroom DBA:The Data Warehouse DBA is who gathers the all information and converges into one single records and resizes it.And additionally he will utilize a few devices to tidy up information and for likewise synchronization. Parts of Database head (DBA): The principle parts of database executive is to guarantee the information is accessible, ensured and simple to get to. A DBA introduces and design of database. The framework executive sets up the equipment and convey OS for the DB server, and afterward the DBA introduces the database and arranges it for the utilization. Each time we typically get the refresh for s/w so it should be maintained.If there is a need of new servers we need to convey every one of the information into it as like the old one. Information extraction: This chiefly includes ETL apparatus which is Extract Transform Load, in associations will get bunches of information which is truly nothing to use.So what ETL does is it separate every one of the information from server and change it into little pieces by erasing superfluous spaces and records at long last loads into new DB. DBA should be represented considerable authority in taking care of the extensive measure of information ,since we normally get expansive measure of information in numerous structures like audio,vedio,images. He needs to keep up the reinforcement information if there should arise an occurrence of misfortune or harm. it additionally includes the putting away of information from programmers. DBA needs to give the verifications to new representatives just that way new workers in organization can ready to get to the information. He ought to know about the limit of the database that the amount he ought to designate tp distinctive servers. DBA ought to dependably consider about the execution and keep up of the servers.and additionally need to deal with refreshes. Database Warehouse Administrator(DWA): Information distribution center administrator responsible for the exercises data warehouse.SQL,PLSQL is the principle dialects incorporates to code the DW and assignments incorporates sparing, tracking ,changes, monitoring data systems. a. Has to monitor the information and exercises in information distribution center. b. Administering warehousing administrations, including question administrations and administrations. c. Supporting the distribution center clients. Contrasts BETWEEN OF DATABASE ADMINISTRATOR and DATA WAREHOUSE ADMINISTRATOR: Database director: • DBA manages information of clients in an association. • His work is witticism subordinate DBMS. • Responsible for making components, names and associations with database . • Specification of sorted out information is being done here • Security and approval of DB. • Reviewing the necessities and giving arrangements. • Code tables and passing the information into that . Information distribution center executive; • He should have the data of DBMS • He should know how to make and takes care of structure. • His work is liable to DBMS. • Needs To store and manage the information in the DB. • Breaking down the data volumes and space need. Similitudes B/W THE ROLES OF A DATABASE ADMINISTRATOR AND A DATA WAREHOUSE ADMINISTRATOR: • Maintaining the arrangements and wellbeing of the DATA. • To bring the abnormal state wording into basic terms. • Solving a wide range of issues which ever happens in DB. • Supporting and dealing with the execution of db. • Taking consideration of the information and private and security. • Should bolster all colleagues in giving information about the servers and db.