Friday, January 30, 2015

Database basic information

Q.1 What is database?
Ans: A database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. database consist of fields and records.
Q.2 who is the father of database?
Ans: Edgar Frank "Ted" Codd.
Q.3 What is database management system(DBMS)?
Ans: Database management system is a collection of program that allow us to store ,modify and extract information from database.
Q.4 What is characteristics of DBMS?
Ans:1. Provide better security.
2. Controls data redundancy.
3. It has central dictionary.
4. Concurrent access and crash Recovery.
5. Data Independence.
6. Data Integrity.

7. Data administration.

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