What is a database? Explain two types of database with example.
Answers
Answer:
Four types of database management systems
hierarchical database systems. network database systems. object-oriented database systems.
Explanation:
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Answer:
A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques.
Two types of database structure
Single-file or flat file database- In the Flat file database, each line of the plain text file holds only one record.
Multi-file relational or structured database- A relational database is one that contains multiple tables of data that relate to each other through special key fields. Relational databases are far more flexible (though harder to design and maintain) than what are known as flat file databases, which contain a single table of data