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...
2016-11-25
629 reads
Sherry Li's BI Corner
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...
2016-03-31
1,201 reads
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.
...
2016-03-24
384 reads
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...
2016-04-04 (first published: 2016-03-24)
2,440 reads
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...
2016-03-14 (first published: 2016-03-08)
2,237 reads
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...
2016-02-16
1,067 reads
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...
2015-05-14
1,658 reads
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...
2015-05-12 (first published: 2015-05-03)
6,246 reads
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...
2015-04-24
861 reads
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...
2015-02-02 (first published: 2015-01-27)
13,433 reads
Blogs
Learn Better: Pause to Review More
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
Azure SQL Managed Instance Next-Gen: Bring on the IOPS
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
SQL, MDX, DAX – the languages of data
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Forums
Two foreign keys to the same table. Can't cascade deletes.
Not sure if this is really a relational theory question but it seems about...
Connecting Power BI to SSAS and effective user not working
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
High Availability setup - has anyone seen this method?
Hi all, I recently moved to a new employer who have their HA setup...
Question of the Day
Encoding URLs
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers