Thursday, 29 March 2012

Basics of Database

What is database?
Ans: Database is a storage space of related data for processing.Here we can store in tables or related schema.

What is data? 
Ans: Data is a group of measures and descriptive information of an object.

What is information?
Ans: Information is a data related to a single subject.

What is table?
Ans: Table is  a set of data elements arranged in rows and columns.Data is arranged in rows and the description will be arranged in columns.

What is metadata?
Ans: Metadata is data about data.Means column is metadata in database because column name describes the data  in the column-wise rows.


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