Most Important Thing That You Can Do in a Database
Types of Database
Distributed Database, Relational Database, Object-Oriented Database, Hierarchical Database, Network Database, NoSQL Database.
Applications of Database
Railways, Government Projects, Banking, Research and Development, and Application Software.
Components of Database
Data, Information, Table, Field, and Record.
MySQL, Oracle, SQL Server, IBM DB2, Postgre SQL, Simple DB
Advantages of Database
Low Data Redundancy, Perform Backup and Restore, Filtration of Data, Security.
Disadvantages of Database.
Difficult to maintain massive databases, Need to memorize queries to operate, Takes time to execute the question if not correctly optimized, Need proper Query optimization for faster results.
Characteristics of Database
New data can be added. Modified and deleted, Arranged data in proper order, Display reports.
Open Source Database
MYSQLi, PostgreSQL • MariaDB • CockroachDB • Neo4j • CouchDB • RethinkDB • Redis • Cassandra.
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