A seasoned software engineer with extensive experience in building complex distributed data-intensive backend services. The most general way to satisfy a COUNT DISTINCT or SELECT DISTINCT clause is to ...

MySQL is one of the world’s most widely used database management systems. It is easy to install and use and is usually free. Here’s how to use it. In our previous post, we took you through the basic ...

CREATE TABLE branch ( branch_id INT PRIMARY KEY, branch_name VARCHAR (40), FOREIGN KEY (mgr_id) REFERENCES employee (emp_id) ON DELETE SET NULL ); --Adicionando foreign key na tabela employee ALTER ...

Creating a new user in MySQL is a common task for every admin and developer using MySQL database. If you are creating a new user in MySQL 8, you may not be aware of ...

Python is one of the common programming languages for automating SEO processes. One of the greatest libraries for creating a front-end for our apps without any HTML, CSS knowledge, or coding with a ...

Temporary tables without constraints can be inserted faster, and there is no need to copy constraints such as the primary key from the target table. Related thread in ...