The Fake Speakers
Someone generated a fake speaker profile for their conference, which Steve finds disturbing.
2023-12-02
455 reads
Data Quality
Email Validation Simplified with Web API and SSIS
Email based validation is more than just a simple RFC check, this is where Melissa's Global Email Verification with a web-based API and SSIS delivers valuable data to SQL Server Professionals.
2020-12-14
SQL Server Best Practices for Data Quality
Accurate data is imperative for an organization to conduct cost effective decision making. Like everything else, change is constant for your data. There is a need to cleanse and validate data when received and on a regular basis. Unfortunately, cleansing and validating data is difficult with the native SQL Server toolset. How do we leverage the SQL Server tool set to achieve these goals?
2020-01-03
Data Quality
Problems with data quality are easier and cheaper to prevent than to solve later. In this article, Joe Celko talks about data quality and where the issues tend to happen.
2018-12-20
2,693 reads
Data Quality - Addressing non-stated requirements
Producing a crib sheet for data quality drives a shared understanding of the data used to power the business.
2016-07-28
1,310 reads
Design : Find table with Identities with missing unique constraints
In an OLTP DB, other than an autogenerated Identity , there should be something else on the table which makes the non-identity data unique, as in, unique if you had to drop the ID column.
2016-02-03 (first published: 2016-01-22)
490 reads
Data Degradation
The other day at a conference, the subject of data degradation/corrosion arose. The speaker at the conference said that data in a database degraded or corroded over time. The statement was made as if degradation over time applied to all databases. I found this blanket statement to be misguided. Indeed, I think that data does degrade in some databases, but not all.
2009-05-14
2,180 reads
Getting A Clue About Your Databases
Got a new database you know nothing about? Here's my basic proposal on how to find interesting tables in it.
2009-01-09
10,725 reads
Taking the Temperature of Your Data
Enhanced model performance comes from extracting as much information content as possible… relative to the specific performance metrics you are using to measure success.
2008-02-12
2,257 reads
Principles of ROI Development for Data Quality Projects
This article outlines 15 principles of ROI development for data quality (DQ) projects that can be leveraged across any industry.
2008-02-05
1,747 reads
Blogs
Master SQL Subqueries with This Free Course
Want to boost your SQL game? Check out this free course, SQL Subqueries: Real-World...
Removing the REST Endpoint in the Data API Builder
By Steve Jones
The more I work with the Data API Builder (DAB), the more I lean...
T-SQL Tuesday #182: Personal Integrity
By Steve Jones
It’s time for the first T-SQL Tuesday blog of 2025, with an invite from...
Forums
Vector DB implementation using FAISS
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The Types of Changes
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Escaping Like I
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Question of the Day
Escaping Like I
I have this data in a SQL Server 2022 table:
PlayerIDPlayerNamePlayerStatus 1The \%ChampActive 2The ChampActive 3The_ChampionActive 4The__ChampionActive 5The\_ChampActiveHow many rows are returned by this code in SQL Server 2022?
select PlayerName from player where playername like 'The\_C%' escape '\'See possible answers