History of DBMS

➺ First DBMS System was developed by Charles Bachman in 1960.
➺ In 1970, the IMS ( Information Management System) of IBM was Developed by Dr. E.F. Codd.
➺ ER Model was introduced by Peter Chen in 1976.
➺ In 1980, Relational Database Model Becomes a widely accepted Database.
➺ In 1985 Object Oriented DBMS (OODBMS) was developed.
➺ First internet-based database application was developed in 1995.

➺DBMS follows Acid properties (Atomicity, Consistency, Isolation, and Durability).
➺ DBMS provides Security and less redundancy.
➺ Query language uses predetermined structures to determine relationships among entities. Using this user can view specific records/data from any database according to user requirements.
➺ DBMS provides more than one view to the user.
➺ DBMS supports multi-user which allows users to access databases at the same time.
➺ Real-World Entity used by DBMS to design its architecture.
➺ It allows entities and relations among them to form tables.

➺ Bit: A bit is the smallest unit of data Representation. Ex. - 0 or 1

➺ character: A collection of bits is called a character. Ex:- a, A, etc.

➺ Field: A field is a collection or grouping of characters/numbers. The individual's column name is called Field. Ex:- Sunil, 27, Jaipur, etc.

➺ Record: Collection of related fields or Data.

➺ File: Collection of related record.

➺ Database: Collection of file/tables.

You might like this :-

○ History of computer
○Normalization in DBMS
○Data Model DBMS
○DBMS vs RDBMS