The basic idea of the database
Database : DataBase referred to as DB
What database?
For warehouse storage and management of data.
Database features:
Persistent data storage. In fact, the database is a file system
2. facilitate the storage and management of data
3. Using a unified approach to operational database - SQL
Common database software:
- MySQL : free open source database, small database, has been Oracle acquired. MySQL6.x version also start charging. Later, Sun 's acquisition of MySQL , which Sun company has been Oracle acquired
- The Oracle : large databases charges, the Oracle 's products
- The DB2 : IBM 's database products , for a fee. Often used in the banking system
- SQL Server : MicroSoft medium-sized database company charges. # C , the .NET and other languages commonly used.
- SQLite : Embedded small database applications in mobile terminal , such as: Android .