POSTGRESQL Functions and Procedures A procedure is a database object similar to a function. The key differences are: Procedures are...

Introduction to ETL: Recently, we have seen that data analysis has become very important for decision-making across different businesses....

Level Of Detail or LOD expressions were introduced in Tableau 9.0. LOD expressions help in visualizing data with multiple levels of...

In this blog we will write a code on how to connect to a Postgres database and MySQL Database using JDBC, and run basic SQL queries in...

Structured Query Language or SQL is a standard Database language which is used to create, maintain and retrieve the data from relational...

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...