A non-procedural query language called relational calculus is used to retrieve data from relational databases. Thanks to this mathematical based…

The ER (Entity-Relationship) model is a graphical representation used to design databases. On the other hand, the relational model is…

What are the Keys in DBMS? In DBMS, KEYS is an attribute or set of attributes that aid in relational…

What is Database Normalization? A database design technique called normalization reduces data duplication and gets rid of undesirable traits like…

Let’s look at the first normal form in detail from the previous lecture where we saw a brief overview of…

What is 2NF? The second step in Normalization is 2NF. A table must meet two requirements to be in the…

What is Third Normal Form? The third step in Normalization is 3NF. For a table to be in third normal…

What is BCNF? The Boyce-Codd Normal Form also referred to as the 3.5 Normal Form, is an extension of the…

What is 4NF? A level of database normalisation known as the fourth normal form (4NF) is one in which a…

What is 5NF? The fifth normal form, or 5NF, is also called the project-join normal form. If a relation is…

A programming language called SQL (Structured Query Language) was created specifically for managing and modifying relational databases. It offers a…

The SQL CREATE command is a type of DDL command that is primarily used for creating databases and tables. To…