Quiz # 1 History of Databases

Question 1

What happened in the 1960s?

Answer 1

Databases started to emerge in a file processing dominating environment

• Database systems were mainly used for large projects like the Apollo Moon Landing project
• In late 1960s, Database Task Group was established as a first effort for database standardization

Question 2

What happened in the 1970s?

Answer 2

Databases entered the main stream and became commercial reality

Hierarchical and Network databases were developed to
be able to store data about complex processes like
manufacturing bills of material

E.F. Codd and others developed the relational model

Question 3

What happened in the 1980s?

Answer 3

The commercial spread of relational data Model

Relational models store data in tables and use SQL to manipulate the data

Relational model was well suited for client/server computing, parallel processing and graphical user
interface

Question 4

What happened in the 1990s?

Answer 4

Object Oriented (O-O) databases were introduced to accommodate the storage of non-structured data types

Relational databases are the most widely used

Object-Relational (O-R) databases to accommodate both structured and non-structured data

Question 5

What happened in the 2000s n beyond?

Answer 5

Relational databases is the most widely used

O-O and O-R databases continue to evolve

Emergence of NoSQL (Not Only SQL) Databases to efficiently address the storage and retrieval of big data