Database normalization is the cornerstone of database theory. Once a database is normalized, relationships between the data in multiple tables must be established. A hefty part of designing a ...

The MySQL Workbench main window. How to create tables and add data to MySQL database with MySQL Workbench Your email has been sent The MySQL Workbench GUI is cross-platform, open source, and ...

Excel used to be the poor schmuck’s database, with spreadsheets that just sort of sat there. You could create something more sophisticated with LOOKUP functions, but they were a huge hassle to set up.

It is rare to find an implemented database devoid of reference tables. Reference tables provide valid values for drop-down lists and in a slightly obtuse way, also allow for expression of a domain or ...

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package. R has a number of quick, elegant ways to join data ...

Naïve approaches to business intelligence will occasionally trap designers as they juggle operational data stores and data warehouses. The trap results from an honest endeavor to simplify designs and ...

Much of the data that you use Excel to analyze comes in a list form. You might need to sort the data, filter it, sum it, and perhaps even chart it. Excel tables provide superior tools for working with ...