What is 4NF? A level of database normalisation known as the fourth normal form (4NF) is one in which a…
What is BCNF? The Boyce-Codd Normal Form also referred to as the 3.5 Normal Form, is an extension of the…
What is Third Normal Form? The third step in Normalization is 3NF. For a table to be in third normal…
What is 2NF? The second step in Normalization is 2NF. A table must meet two requirements to be in the…
Let's look at the first normal form in detail from the previous lecture where we saw a brief overview of…
What is Database Normalization? A database design technique called normalization reduces data duplication and gets rid of undesirable traits like…
What are the Keys in DBMS? In DBMS, KEYS is an attribute or set of attributes that aid in relational…
The ER (Entity-Relationship) model is a graphical representation used to design databases. On the other hand, the relational model is…
A non-procedural query language called relational calculus is used to retrieve data from relational databases. Thanks to this mathematical based…
Relational Algebra is a procedural query language, which takes Relation as input and generates relation as output. SQL and relational…