What is a Data model and what is a Data model Schema?
Data Models The modeling of the data description, semantics, and consistency requirements is known as data modeling. It provides the …
Pallavi Sahu
What is ER -Model Concept? How to create an ER- Diagram? What are the issues faced in ER-Cocept?
Introduction of ER Model The Entity Relational Model is a model for defining the entities that should be recorded in …
What are Constraints? types of Constraints.
What are the Constraints of DBMS? Constraints in DBMS relate to restrictions put on data or data processing. This means …
Define Generalization, Specialization, and Aggregation with examples.
The Enhanced ER Model The late 1980s saw a surge in data complexity, making it increasingly challenging to represent databases …
What are the Keys in DBMS? Types of Keys with example.
What are the Keys in DBMS? A tuple (or row) in a relation (or table) can be uniquely identified by …
Acid Properties in DBMS? Explain with real-world examples.
Acid Properties in DBMS The single logical units of work known as transactions are those that access and (potentially) alter …
DBMS Architecture(Explain Three schema Architeture)
DBMS Architecture A database system is partitional into modules that deal with each of the responsibilities of the overall system. …
What is RDBMS? Difference between DBMS and RDBMS.
RDBMS: RDBMS stands for relational database management system. The data points that are connected are stored in the form of …
What is DBMS? Difference between DBMS and File Systems
DBMS: DBMS stands for Data Base Management System. It is a group of programs that can access a collection of …