Databases

This article will show you the BEST way to copy a table, with or without the data in it, in MySQL and MariaDB. Copying the Table with All Data in MySql The following code will copy a table including all data using the CREATE TABLE… Read More »Copy a Table in MySQL/MariaDB – How To, With Examples

There are one of two things you might be looking for – merging two MySQL tables, or the MERGE TABLE syntax – this article explains both, with examples. Merging Tables in MySQL (Moving Data From One Table Into Another) A note before I get to the code… Read More »Merge Tables in MySQL (UNION/MERGE TABLES) – Tutorial

This article will show you, with examples, how to show what database privileges users have in MySQL and MariaDB. List All Users To show the privileges for a user, you need to be able to query the user’s name. Here’s how to generate a list… Read More »Show Privileges in MySQL/MariaDB using SHOW GRANTS, With Examples

This article shows you how to use the MySQL SHOW INDEX statement to list the details of indexes and keys in a table. To use the SHOW INDEX statement, you will need to know which database and table you wish to view index information for. Looking to list the databases… Read More »The MySQL/MariaDB ‘SHOW INDEX’ Statement, With Examples

The MySQL DISTINCT operator returns only unique values from a column from a database table; duplicates are not returned.  Here’s how to use it. The DISTINCT operator can be useful in many scenarios; for example, you may want to generate a list of countries you have… Read More »The MySQL/MariaDB ‘DISTINCT’ Statement, With Examples

MySQL (and its functional equivalent, MariaDB) have two things named TRUNCATE – so watch out which one you want to use or suffer dire consequences! This article outlines the difference and usages of the MySQL TRUNCATE function and TRUNCATE TABLE statement – they share similar names but do very different things.… Read More »The MySQL (and Maria DB) TRUNCATE Command, With Examples (And Warning!)

This tutorial covers limiting the number of results from a MySQL database query using the LIMIT clause and skipping results using the OFFSET clause. This is especially useful when wanting to paginate results in web applications – spreading them out over several pages by retrieving a subset of the database results.… Read More »The MySQL LIMIT and OFFSET Clauses [with Examples]

There are two things called CASE in MySQL (and, by extension, the compatible MariaDB). The CASE Operator, for use in queries. The CASE Statement, for use in stored programs and procedures. Both have similar syntax and the same purpose. Both MySQL CASE Operator and Statement provide… Read More »MySQL CASE Statement and CASE Operator – Difference and Examples

There is a lot of weird-sounding language around databases. Most of it centers on the names of the popular database software which is available. It can make it tough to choose. Each strangely named database solution offers features making it suitable for different tasks. This… Read More »MySQL vs MariaDB vs MongoDB vs PostgreSQL vs SQLite vs MS SQL – Which to Choose?

Knowing which version of MySQL you are running is vital when making sure your code is compatible and that you are using supported features. Here’s how to find out which you are running. For example, older versions of MySQL lack features for handling JSON data and… Read More »How To Check your MySQL (Or MariaDB) Version [Easy]