Database management systems raghu ramakrishnan and johannes gehrke

What are the 4 types of DBMS?
The first DBMS was developed in the early 1960s when Charles Bachman created a navigational DBMS known as the Integrated Data Store..
What is the database management system model?
There are four relational database management systems (Oracle, MySQL, Microsoft SQL Server, and PostgreSQL) and one non-relational database management system (MongoDB) on this list of most popular database management systems..
Who created database first?
Charles Bachman designed the first database known as the Integrated Data Store, followed by the Information Management System developed by IBM.
These databases were navigational, requiring users to navigate through the entire database to find the information they wanted..
Who created the first DBMS 1?
DBMS Model is defined as the logical plan and arrangement of a database which describes how the data info will be stored, retrieved and modified in a database management system..
Developed by E.F.
Codd from IBM in the 1970s, the relational database model allows any table to be related to another table using a common attribute.

What are the 4 types of DBMS?