A database is an electronic, organised collection of related data items that are stored with minimum redundancy to serve one or more users /applications. They are used to Prevent repeated entries of the same data and reduce inconsistencies.
SQL (structured query language) is a standardised way to manage databases.
Database Management Systems (DBMS) are software tools to manage a database. Exacples include Oracle, MongoDB, PostgreSQL, MySQL, Redis.
There are multiple types of database - rational, NoSQL databases, hierarchical databases, centralised database and others.
Rational databases use tables with defined relationships.
NoSQL is designed for flexible, large scale data
SQL (structured query language) is a standardised way to manage databases.
Database Management Systems (DBMS) are software tools to manage a database. Exacples include Oracle, MongoDB, PostgreSQL, MySQL, Redis.
There are multiple types of database - rational, NoSQL databases, hierarchical databases, centralised database and others.
Rational databases use tables with defined relationships.
NoSQL is designed for flexible, large scale data
