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Displaying posts with tag: pivot (reset)

Creating PivotTables when importing MySQL data using MySQL for Excel
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In a previous blog post (Importing related MySQL tables into an Excel Data Model using MySQL for Excel) we covered in detail how an Excel Data Model can be created containing tables and their relationships so the data can be analyzed in Excel via a PivotTable. In this blog post we are going to talk about one of the features included since MySQL for Excel 1.3.0 that allows you to create PivotTables for data imported from MySQL tables, views or stored procedures, or more importantly for the whole Excel Data Model if it is created.

Remember you can install the latest GA or maintenance version using the MySQL Installer or optionally you can download directly any GA or non-GA version from the MySQL Developer Zone.

A many to many relationship table – solving the exclude relation problem
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A MySQL many to many relationship is a relationship that is multi-valued in both directions. Given that, how can you select rows that don’t have a specific relationship (the exclude relation problem)? I will start by defining the MySQL Many to Many relationship (Experts can skip to the next paragraph) What is A MySQL many […]
Multi dimensional cubes in MySQL through Gearman
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I gave two presentations about Gearman at the Linux.conf.au. As part of the preparation for these talks, I created several sample applications. One of them, about remote replication administration, I will cover in a separate post. The most amazing one, which I cover here, is a quick and painless solution for multiple level crosstabs in MySQL.

Some background is needed. Crosstabs (also called data cubes or pivot tables, have been one of my favorite hacks for long time. In 2001 I wrote an article about a simple




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