Are you using MySQL Workbench and want to export your database? Or do you have an export file and want to import your database? In this guide, you’ll learn how to export a database and import a database in MySQL Workbench, with screenshots and step-by-step instructions. Let’s get into it.
In SQL, you may need to find out more about the table and its columns. This is often called “sql describe table” or describing a table. Different vendors (Oracle, SQL Server, MySQL, PostgreSQL) have different methods for letting you see this information. In this post, you’ll learn how to see the table details using the …
Have you ever needed to calculate a “running total” or “cumulative sum” in SQL? You can do this in SQL without any other programming language to process the data. In this guide, you’ll learn how to calculate a running total in SQL. This method will work in Oracle, SQL Server, MySQL, and PostgreSQL. We’ll look …
Do you need to use SQL to remove duplicates in your tables? Learn how to write an SQL query to remove duplicate data in this article.
Oracle databases come with a couple of built-in users: SYS and SYSTEM. These are administrative-level users and are quite powerful. You’ll probably want to create your own users so you can better manage access and have your own tables and data.
In this guide, you’ll learn: What Docker is (briefly) Why you might want to use it for your database How to set it up How to get a database (Oracle, SQL Server, MySQL, or PostgreSQL) running using Docker – with screenshots and explanations Let’s get into it.
If you want to see how to write a complex query on an SQL database, this example will show you.
In this post, you’ll learn how to set up a sample database so you can practice your SQL queries. This database works on Oracle, SQL Server, MySQL, and PostgreSQL.
As a software developer you’ll use a range of tools to do your job. Here’s a list of software development tools you may consider using.
The SQL DEFAULT constraint is something that can be added to tables to specify a default value for a column.
