MySQL management, tutorials, scripts, coding, programming and tips for database administrators

MySQL

DIY Number Rounding For MySQL 10/07/2013

Although MySQL does provide its own Round() function, for those times that it doesn't provide the results that you're looking for, you'll be happy to know that implementing your own rounding function is not all that difficult. Rob Gravelle presents a few to get you started.

Three Handy MySQL Numerical Functions 09/03/2013

One of the tenets of Third Normal Form (3NF) database normalization is that calculations should not be stored in a table. In MySQL, calculations are made easier by a number of built-in functions. In today's article, Rob Gravelle provides an overview of three of the more widely applicable ones.

Using the InnoDB Memcached Plugin with MySQL 5.6 08/05/2013

The MySQL 5.6 memcached plugin for InnoDB uses a daemon that automatically stores and retrieves data from InnoDB tables, without the overhead of SQL. Rob Gravelle goes over some of its uses and benefits.

Perform Row Operations Using MySQL Cursors 07/08/2013

Robert Gravelle explores the use of cursors and their role in stored procedure programming.

MySQL Cursors and Loops 06/06/2013

A loop is a programming construct that executes a block of code repeatedly based on a condition. Cursors, on the other hand, are utilized to process each row returned by a SELECT statement. Read on to learn about various loop types supported by MySQL as well as an introduction to cursors.

MySQL General Security Tips 05/06/2013

Ease of use and speedy performance are just two of the many features that make MySQL one of the most popular databases in use today. Unfortunately, a high adoption rate makes MySQL a target for many malicious individuals and organizations. In today's article, Rob Gravelle highlights a few simple but effective ways of beefing up your database security to defend against both local and remote attacks.

New Query Optimizer Features in MySQL 5.6 04/04/2013

One of MySQL 5.6's many optimizations apply to the processing of queries that contain subqueries. These involve transforming a subquery into a semi-join operation, and then treating it like just another join operation for evaluation. Rob Gravelle takes a closer look at the various strategies utilized by the MySQL 5.6 optimizer to achieve this end.

All About the MySQL 5.5 LOAD XML INLINE Statement 03/07/2013

With version 5.5 of MySQL in full production, the LOAD XML statement greatly simplifies the task of importing data from an XML file into a MySQL table, without having to resort to a stored procedure. Rob Gravelle provides a summary of how to use the new LOAD XML statement.

Performing Full-text Searches in MySQL 5.6 02/07/2013

Some good news for MySQL users; version 5.6 includes native full-text support. If you’re not using MySQL, maybe this will be just the impetus you need to make the switch. In today’s article, Rob Gravelle shows you how to take advantage of MySQL 5.6’s Full-text search capabilities.

Comparing SQL Server and MySQL Functions 01/07/2013

Rob Gravelle examines some of the challenges in porting your databases between MS SQL Server and MySQL. Today's article shows you how functions may require additional effort on your part to produce equivalent results.

Mapping Data Types between MySQL and SQL Server 12/10/2012

With respect to data types, MySQL and MS SQL Server have some important differences. Chances are that you’ll have to do some mapping to get the correct data when migrating from one to the other. To that end, this article describes the most important data type differences to be aware of between MySQL and SQL Server.

Comparing TokuDB to MySQL 5.5 with InnoDB on Small Databases 11/12/2012

Tokutek has developed a new kind of data structure called a Fractal Tree that is purported to achieve insertion rates of five to twenty times faster in large databases, as in 100 million rows and above. Moreover, these benefits have been shown to continue right on up to fifty billion rows!