ETL #73–NULL or NOT NULL and SQL Interview Questions

Today is the day after Thanksgiving. There are many things to be thankful so I decided to write a short...

MDX – Putting Visual Totals on top or at the bottom

Dynamically totaling child members
Putting the dynamic totals on top or at the bottom can be a trivial or a big...

Enormous response from the last promotional campaign

After I posted this blog MDX Cookbook is a popular book, I received another email from my MDX book publisher.

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When a calculated measure is added NON EMPTY stopped working

We use NON EMPTY key word on the rows axis to remove rows with NULL values. It works only when all...

Consider removing the NON EMPTY key word from the COLUMNS axis

You might have seen error message like this from a SQL job that pulls data from an OLAP cube using...

MDX Cookbook is a popular book

I cannot believe that I have not posted any blog since May 2015! It’s been a busy few months for...

MDX #46–6 different ways to detect a particular member in MDX script

There are many great tips in MDX with SSAS 2012 Cookbook
The book MDX with SSAS 2012 Cookbook has many great...

ETL #72–Your data can mysteriously disappear after a WHERE clause was added (2)

Why a seemingly innocent WHERE clause can cause large amount of data missing
In the previous post, ETL #71–Your data can...

ETL #71–Your data can mysteriously disappear after a WHERE clause was added (1)

Validations at end of ETL indicate missing data
At the end of each ETL job, I always run some sort of...

SQL #58–Where are my own templates in SQL Server Management Studio 2012

The secrete SQLFile.sql
We are all so used to clicking on the New Query icon (or the keyboard shortcut Ctrl+N). We know it...