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ALTER statement in MySQL

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Hello and welcome everyone. In this article, we will learn about the ALTER table statement in MySQL. Let’s go. MongoDB with .Net Core course link => https://www.udemy.com/mongodb-with-net-core-sagar-jaybhay/ C# basic course click on: https://www.udemy.com/learn-csharp-with-sagar-jaybhay/  Web API 2- .Net Core In depth In 5 Hours click on: https://www.udemy.com/web-api-2-net-core-in-depth-in-5-hrs-with-sagar-jaybhay/ MySQL ALTER command is used to modify the table, view an existing database. When you have completed your database design and after that, you realize some of the information was left out when creating a database. You want to change without losing existing data, and then you can change data using ALTER command. MySQL ALTER command is used to add a column with an existing table, add multiple columns, drop a column, modify a column, rename a column, and rename the table. ALTER command also used to add and drop constraints on the existing table. ...
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History of SQL

Hello and welcome to everyone. Today we will learn SQL history. C# basic course click on: https://www.udemy.com/learn-csharp-with-sagar-jaybhay/  Web API 2- .Net Core In depth In 5 Hours click on: https://www.udemy.com/web-api-2-net-core-in-depth-in-5-hrs-with-sagar-jaybhay/ We previously discussed in 1970, Dr. Codd published a paper about the Relational Data Model and it may have ended there. Donald Chamberlin and Raymond Boyce started working on SQL in the 70s. In 1973 Chamberlin and Boyce started working on SQL and what they called SEQUEL. SEQUEL full form is Structured English Query Language. After that, they have changed it to SQL due to a trademark conflict with a UK aircraft company. A lot of people say either SQL or SEQUEL. This organization of work that they were doing on sequel started making a buzz in the industry. Donald Chamberlin and Raymond Boyce started working on a SQL based relational database management system this company is called Relational Softwa...
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Order By Clause in MySQL

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Hello and welcome everyone. In this article, we will learn about the Order By Clause in MySQL. Let’s go. MongoDB with .Net Core course link => https://www.udemy.com/mongodb-with-net-core-sagar-jaybhay/ C# basic course click on: https://www.udemy.com/learn-csharp-with-sagar-jaybhay/  Web API 2- .Net Core In depth In 5 Hours click on: https://www.udemy.com/web-api-2-net-core-in-depth-in-5-hrs-with-sagar-jaybhay/ MySQL Order by clause is used to sort the records or data in ascending or descending order. Order by clause allows us to sort records or data by a single column or multiple columns in ascending or descending order. There are two key using in Order by clause:          ASC: - sorting data or records by ascending order.          DESC: - sorting data or records by descending order. Syntax:          SELECT column_name_1, column_n...
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