Question

In: Operations Management

What is an ERDM, and what role does it play in the modern (production) database environment?


What is an ERDM, and what role does it play in the modern (production) database environment?

Describe the basic features of the relational data model and discuss their importance to the end user and the designer.


Solutions

Expert Solution

“The Extended Relational Data Model (ERDM) is the relational data model's response to the Object Oriented Data Model (OODM.)”

The database now plays an important role in modern database environment, as now is the edge of big data , we need tool like python for data crunching , which is also an object oriented programming language. ERDM help to integrate python , which make the data handle easy.

Relational DBMS

RDBMS is used to create maintain manage and use database. The structure is based on relational model and data is kept in tabular format and organized in row and column format.

RDBMS importnace-

  1. The tabular format is easy to store, access and understand for the users.
  2. RDBMS allow multiple used access and work on it simultaneously.
  3. We can control the access or can give the privilege of access to specific users.
  4. RDBMS is fast and data crunching or query time is very fast and efficient.
  5. Maintain time and cost is minimum in RDBMS.

keosha answered 2 years ago
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