SQL stands for structured Query Language. SQL is a computer language for storing, manipulating, and retrieving data in a relational...

image source unsplash.com A window function performs calculations on table rows that are related to the current row and use of the window...

DELETE: DELETE is a Data Manipulation Language Command (DML). Using DELETE command we can remove either one or more rows from a table....

Historically, organizations have mainly focused on structured data for any kind of visualization or analysis. Traditional systems and...

Image source In the beginning study of the DBMS keys, we are confused about the DBMS keys concepts because there are many different types...