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
612 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)
2,420 reads
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
1,190 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
377 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)
2,211 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
1,056 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
1,643 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)
6,239 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
853 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)
13,420 reads
Blogs
T-SQL Tuesday #180: Avoid Perfect for Good Enough
By Brian Kelley
I'm listening to Effortless by Greg McKeon (link to author's page) through Audible.com. He...
Book Review – Humanizing Data Strategy by Tiankai Feng
This book was making its rounds on social media, and the concept seems interesting...
Monday Monitor Tips: Tracking The Cost of Instances
By Steve Jones
One of the things that I’ve been asked in every operations situation is what...
Forums
Does SSRS Report with Stored Procedure execute SQL string?
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SQL Server Constrained Delegation
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Question of the Day
Comparing Images
I am building an ETL process between these tables in SQL Server 2022 set to 160 compatibility level:
CREATE TABLE Image_Staging ( imageid INT NOT NULL CONSTRAINT Image_StagingPK PRIMARY KEY , imagestatus TINYINT , imagebinary IMAGE); GO CREATE TABLE Images ( imageid INT NOT NULL CONSTRAINT ImagesPK PRIMARY KEY , imagestatus TINYINT , imagemodified DATETIME , imagebinary IMAGE); GOI want to run this query to check if the images already loaded exist. This will help me decide if I need to insert or update an image. What happens with this query?
SELECT i.imageid
FROM
dbo.Image_Staging AS ist
INNER JOIN dbo.Images AS i
ON ist.imagebinary = i.imagebinary; See possible answers