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)
10,447 reads
Sherry Li's BI Corner
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
1,046 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
1,045 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)
8,626 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
1,088 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)
7,864 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
1,488 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
3,099 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)
5,725 reads
MDX #44–How to find all the calculated measures
Calculated measures are visually identifiable
If you have access to a cube, it’s quite easy to find all the calculated measures.
The...
2014-11-13
1,461 reads
Blogs
Resetting on the AI hype train
By Brian Kelley
There's a great article from MIT Technology Review about resetting on the hype of...
A New Word: Etherness
By Steve Jones
etherness – n. the wistful feeling of looking around a gathering of loved ones,...
Vibe Coding a Login Tracking System
By Steve Jones
A customer was asking about tracking logins and logouts in Redgate Monitor. We don’t...
Forums
The Microsoft SQL Year in Review
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T-SQL in SQL Server 2025: The || Operator
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Your Value from a Conference
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Question of the Day
UNISTR Basics
What does this code return in SQL Server 2025+? (assume the database has an appropriate collation)
SELECT UNISTR('Hello 4E16754C') AS 'A Classic';
A: 
B: 
See possible answers