SQL #57–A one-liner query with PARTITION BY
What can be done in SAS must be possible in SQL
A friend of mine is a data professional in marketing data...
2015-01-22 (first published: 2015-01-17)
10,443 reads
Learning SQL #1–Start from buying a Copy of SQL Server Developer Edition
If learning SQL is in your New Year Resolution, then you will be happy to read this post.
We all make...
2015-01-09
1,039 reads
SQL #56–Aggregation with ROLLUP operator is not fully supported
ROLLUP, CUBE, and GROUPING SETS Operators have been around since SQL Server 2005. These operators are extensions of the GROUP...
2015-01-05 (first published: 2014-12-31)
8,620 reads
5th Blogging Year
It’s hard to believe that it’s been 5 years since my first ever post, in which I simply spelled Business Intelligence. Thanks...
2014-12-31
1,043 reads
SSIS #118–Is it an OLEDB or an SMO Server Connection?
OLEDB is the native client for SQL Server. Every SSIS developer is familiar with how to use it. Almost every...
2014-12-23 (first published: 2014-12-17)
7,862 reads
SQL #55 – Data Types and Storage Reference
When we design a database, we usually need to do an estimate on the size of the database based on the...
2014-12-19
1,085 reads
SSAS #39–Building Optimal and Well-Tuned Dimensions
The Analysis Services Performance Guide from bunch of Microsoft Analysis Services experts have been updated since 2005 edition for 2008 R2...
2014-12-14
1,486 reads
SSIS #117–What is the Location in the MSOLAP Connection String
MSOLAP is a native OLE DB provider for Analysis Services
A common task during ETL is to process the OLAP dimensions and the...
2014-12-13
3,096 reads
MDX #45–Find all the Calculated Sets and Their Calculation Scripts
Now we know how to find all the calculation scripts in a cube by querying the DMV $SYSTEM.MDSCHEMA_MEASURES.
MDX #43–Find a MDX...
2014-11-21 (first published: 2014-11-14)
5,721 reads
MDX #42–IsEmpty? or = 0 ? or IS NULL?
In SQL, NULL means undefined value
Any SQL programmer can tell you that zero is not NULL, NULL is not zero, and...
2014-11-18 (first published: 2014-11-12)
22,713 reads
Blogs
Reverse Engineering a Physical Model Diagram
By Steve Jones
I recently wrote about a logical diagram with Redgate Data Modeler. That was interesting,...
Prepping for Certification, Part 3 of ?
By Brian Kelley
After I have understood the details for a certification test (part 1), including format...
SQL Training Black Friday Deals
By Brian Kelley
If you're looking for particular "Black Friday" deals, here is what I've seen advertised...
Forums
Best analysis approach to reduce data type length in multiple tables
Hello SSC, I hope everyone is having a happy and safe holiday season! I...
Do you separate data/log files and TempDB files on different disks using AWS EC2
Hello, I am receiving multiple direction on deploying SQL Servers in AWS EC2. ...
Service account being in local admin in AWS EC2 environment?
Hello, I am working with a company on their database administration. I am trying...
Question of the Day
A New Operator
In SQL Server 2025, what does this code return?
SELECT '1' || '0'See possible answers