‘Above everything you need to show data.’
To start anything else first we need to know what is database, it is a collection of related data that represents some aspects of the real world. On the other hand database management system (also known as DBMS) is software for storing and retrieving users' data by considering appropriate security measures. It allows users to create their own databases as per their requirement. This complex thing can be understood in the simplistic way. Let’s take example of the DBMS system of any university. The university database is supposed to have information regarding students, courses that they teach, professors and the grades of the enrolled students.
DBMS has evaluated since 1960, and in 1980 it came with object oriented database. In modern days it is SQL, No SQL databases, and cloud databases. The history of DBMS hence is so long. Relational database, distributed database, No SQL database, Object Oriented Database, Graph Database etc is various types of database.
Database training is therefore very much necessary and a DBA or Database administrator is one of the most important employees of any organization. Oracle DBA is another types of database management . Oracle DBAs handle capacity planning, evaluate database server hardware, and manage all aspects of an Oracle database including installation, configuration, design, and data migration. Additional responsibilities include performance monitoring, security, backups, troubleshooting, and data recovery.
Hence if You are running any organization find an expart DBA to properly grow your organization.