Learn PostgreSQL Offline vs SQL

PostgreSQL is a popular relational database management system (RDBMS). Our PostgreSQL tutorial provides basic and advanced concepts of PostgreSQL. In this tutorial, we are going to learn all the topics of PostgreSQL language, such as create a database, drop a database, select database, select table, update a record, create a table, delete record, drop table, triggers, functions, insert the record, procedures, cursors, etc. - What is PostgreSQL Database? PostgreSQL is an ORDBMS [Open-Source Object-Relational Database Management System]. It is used to store data securely; supporting best practices, and allow recovering them when the request is processed. - History of PostgreSQL PostgreSQL was developed by the PostgreSQL Global Development Group, which is led by a computer science professor named Michael Stonebraker at the University of California, Berkeley [UCB]. The professor's stonebreaker started in 1986 as a follow-up project and a post-Ingres project to overcome the problems of the existing database system. Initially, it was called as Postgres, but in 1996, the project was renamed to PostgreSQL. Then again, in 2007, they did some analysis, and the development team decided to preserve the name as PostgreSQL. And now, it is the most innovative open-source database available in the market.

The SQLERDiagram is a feature rich app designed by an engineer. The SQLERDiagram is carefully designed to be a simple and elegant app. Easy to use, easy to understand, simple and effective. This app allows the creative smart people like you to design, draw, and share entity relationship diagram. You can also generate a SQL script for the ER diagram and then copy or share the SQL script. Canvas's size can be customized (increase horizontally or vertically) if you need more space to draw ER diagram. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This is a perfect app if you are learning SQL. There a Study page to help you with learning some important SQl topics. There is also a LearnSyntax page to help you with learning some important SQl syntaxes. Sharpen you brain by using this app and learning about the SQL using both graphically (diagram) and textually (script). Be creative. Enjoy the app!