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Computer Science -> Solved Exercise -> Class - 9th, Lesson No. 4 (Introduction to DBMS)

CHAPTER - 4
INTRODUCTION TO DBMS

Exercise


Points To Remember: --
  1. DBMS is a relational database management System.
  2. Data are small raw materials such as character, numbers, pictures etc.
  3. Database is a place where your data get store.
  4. DBA is the person or group of person who control the database system.
  5. To frequently store an identical data again and again in database is called data redundancy.
  6. In ancient times to store Different set of records in different-2 files is called file processing system.
  7. Entity is the item whose information is stored in a database as data is called entity.
  8. Many Kinds of keys are use in relational database.
  9. Normalization makes tables effective and structured.
  10. SQL is a high level language which is used to store, control and amend the database.

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