111 search results for "mysql"

How to update and backup a MySQL database under version control and all within Rstudio

July 21, 2014
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How to update and backup a MySQL database under version control and all within Rstudio

I am trying to have better workflows to ensure data quality and two important things for me are first, scripting as much as posible the data manipulation process, and second, backing up the database we use under version control (e.g. … Continue reading →

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Connecting TOAD For MySQL, MySQL Workbench, and R to Amazon AWS EC2 Using SSH Tunneling

January 7, 2014
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Connecting TOAD For MySQL, MySQL Workbench, and R to Amazon AWS EC2 Using SSH Tunneling

I often use Amazon EC2 to store and retrieve data when I need either additional storage or higher computing capacity.  In this tutorial I’ll share how to connect to a MySQL database so that one can retrieve the data and do the analysis.  I tend to use either TOAD for MySQL or MySQL Workbench to run

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Guide to accessing MS SQL Server and MySQL server on Mac OS X

April 6, 2013
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Native GUI client access to MS-SQL and MySQL We can use Oracle SQL Developer with the jTDS driver to access Microsoft SQL Server. Note: jTDS version 1.3.0 did not work for me; I had to use version 1.2.6. Detailed instructions can be found here. We can use MySQL Workbench to access MySQL server. Setup is... Read more »

How not to reveal your MySQL DB login/password when sharing code on GitHub or BitBucket?

March 19, 2013
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Solution: use your ~/.my/cnfInside your ~/.my.cnf file define the connection parameters to your databases. For example, here I define two groups called local and toto:user = rootpassword = ultra_secrethost = localhostuser = capitaine_flamp...

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R vs. Perl/mySQL – an applied genomics showdown

March 8, 2013
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R vs. Perl/mySQL - an applied genomics showdown Recently I was given an assignment for a class I'm taking that got me thinking about speed in R. This isn't something I'm usually concerned with, but the first time I tried to run my solution (ussing plyr's ddply() it was going to take all night to compute. I consulted the professor that taught...

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RMySQL Looking For A New Maintainer

November 19, 2012
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Please contact me if you’d like to take over maintainership of this popular R package.

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Using R to connect to a SQL Server and MySQL Database using MS Windows

September 8, 2012
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Connecting to MySQL and Microsoft SQL Server Connecting to a MySQL database or MS SQL Server from the R environment can be extremely useful.  It allows a researcher direct access to the data without have to first export it from a database and then import it from a csv file or entering it directly into

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How to work with Google n-gram data sets in R using MySQL

April 12, 2012
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How to work with Google n-gram data sets in R using MySQL

In this R tutorial you will learn how to work with Google n-gram data sets with the help of MySQL. The complete R code is included in this post.

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A graphical overview of your MySQL database

March 18, 2012
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A graphical overview of your MySQL database

If you use MySQL, there’s a default schema called ‘information_schema‘ which contains lots of information about your schemas and tables among other things. Recently I wanted to know whether a table I use for storing the results of a large … Continue reading →

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Capturing Tick Data via C#, Interactive Brokers, and MySQL

March 3, 2012
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Capturing Tick Data via C#, Interactive Brokers, and MySQL

Interactive Brokers is a discount brokerage that provides a good API for programatically accessing their platform.  The purpose of this post is to create an application that will capture tick level data and save that data into a database for futur...

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