What is Database ?
A structure set of data placed in spreadsheets, file folders and in any machine or disk can be called a database. Now a days we have different flavor of database like RDBMS, No-SQL DB etc.
Examples of Databases
In market, we have number of databases starts from Microsoft Access and Excel that are small databases that a user can use. In commercial use or you can say in software domain and technology we use various databases from SQL type or RDBMS and No-SQL DB's as well as ETL tools like Infomatica, DataStage etc.
Some of SQL like databases as below
1. Oracle by Oracle
2. MySQL by Oracle now
3. SQL Server by Microsoft
4. PostgreSQL
5. DB2 by IBM
Below are some new modern databases and file systems
- HDFS (Hadoop)
- HIVE (for Hadoop)
- HBase
- Mongo DB
- Cassandra
For more info on database refer Wikipedia : Click Here
You may navigate from here to any of topic on Databases.
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