Database Journal
MS SQL Oracle DB2 Access MySQL PostgreSQL Sybase PHP SQL Etc SQL Scripts & Samples Links Database Forum

» Database Journal Home
» Database Articles
» Database Tutorials
MS SQL
Oracle
DB2
MS Access
MySQL
» RESOURCES
Database Tools
SQL Scripts & Samples
Links
» Database Forum
» Sitemap
Free Newsletters:
DatabaseDaily  
News Via RSS Feed


follow us on Twitter
Database Journal |DBA Support |SQLCourse |SQLCourse2
 

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

MySQL

MySQL Numeric Overflow Gotcha 08/11/2014

Rob Gravelle highlights a gotcha related to MySQL's overflow handling of numeric values that are outside the permissible range of the column data type.

Importing Into MySQL from Other Databases 07/14/2014

Importing into MySQL from databases of different types is challenging because vendors have their own proprietary tools and SQL extensions. Rob Gravelle presents some software products that can abstract each vendor's particular language so that data may be transferred between them in a seamless process.

Importing XML, CSV, Text, and MS Excel Files into MySQL 05/12/2014

For MySQL administrators who would rather not write and maintain their own import code, there are tools that can markedly simplify the importing of data from various sources. Rob Gravelle demonstrates how to use the Navicat Database Admin Tool to acquire data from XML, .csv, .txt, and Excel files.

Enhance Your MySQL XML Import Procedures using Prepared Statements 04/14/2014

In the Importing XML Data into MySQL Tables Using a Stored Procedure article, Rob Gravelle outlined some ways to work around MySQL's restrictions on stored procedures to import XML data into your MySQL database tables. Today's article covers how to use a Prepared Statement, including error handling and validation, as well as handling additional XML formats.

Importing XML Data into MySQL Tables Using a Stored Procedure 03/17/2014

In theory, it would seem that a stored procedure would be the perfect vehicle for importing XML data from a file, and yet, the LOAD XML INFILE statement cannot be run within a Stored Procedure. Fortunately, there is a way to get around this limitation.

Assigning Roles to MySQL Users 02/13/2014

Ever since Oracle became the owner of MySQL when it acquired Sun Microsystems in 2010, improvements to the software haven’t been as forthcoming as one might hope. There still doesn’t seem to be anything like groups in MySQL. According to Oracle, we can expect it to arrive for MySQL 7.0! Until then, this article presents a few software offerings that may help tide you over.

Converting Between Data Types in MySQL 01/13/2014

There are a lot of occasions for converting one data type to another in MySQL. All of these can be achieved using MySQL's native CONVERT() and CAST() functions. Read on to learn how to use both.

Rounding Down, Bankers Rounding, and Random Rounding in MySQL 12/02/2013

Over time, applying the same rounding algorithm to many numbers can lead to a condition known as rounding bias. Rob Gravelle presents some rounding implementations in MySQL that attempt to eliminate (or at least reduce) rounding bias.

Locating Instances of a Word or Expression within a MySQL Database 11/07/2013

Most of us have to take care of a database that we don't know like the back of our hand at some point or another. Should you have to look up a value it helps tremendously to have the capability to perform a database-wide sweep. Rob Gravelle suggests three ways of doing so.

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.

MySQL Archives




Latest Forum Threads
MySQL Forum
Topic By Replies Updated
MySQL in high availability and transction secure banking application klamor 1 August 28th, 10:24 AM
MySQL rollback UAL225 1 August 28th, 10:15 AM
Browsing a DB file that uses MySql finleytech 1 July 26th, 10:51 AM
php cookie won't pass variable to next page ITdevGirl 0 June 22nd, 12:13 PM