A document search on a billion row "EAV" table is predicted to take 134 days. With a few design tweaks and an efficient relational division algorithm, Peter Larsson got it down to milliseconds.
2024-08-07 (first published: 2013-12-09)
3,292 reads
All sorts of project and organizational analysis go into selecting the right database system for the requirements....or so you'd think.
2022-08-27
204 reads
The whole universe, the well-guarded people—may they all query databases together in a single language!
2022-08-13
263 reads
For many years now we always seem to have been on the verge of the revolution in object databases, without it ever quite transpiring. Why is this?
2017-02-21 (first published: 2009-06-17)
749 reads
Tony Davis on why the dusty corners of many organizations still hide numerous SQL 2005 instances.
2015-04-20
150 reads
The next time you are tempted to hammer a performance problem with hardware, why not instead invest that time in hammering and refining your SQL queries? There are rich rewards to be had.
2014-12-26 (first published: 2009-11-02)
543 reads
There is a paradox in the nature of the abstractions that many developers want when dealing with databases. They will strain at the gnat, but swallow a camel (Matthew 23:24). Whereas they will recoil with horror when a DBA suggests that an abstraction layer based on views, functions and procedures in a separate database schema […]
2014-09-15
186 reads
What often starts out as a simple, quick process, gradually expands over time, as developers use SQL Agent to schedule new data feeds, add more complex transformations...
2013-10-28
225 reads
We know a lot about how great exponents of the DBA profession work, but the role is changing rapidly. What makes a great Data Scientist? Or a great BI specialist?
2013-06-24
282 reads
While backup to the Cloud may be useful in terms of optimizing storage across the enterprise, for DBAs it remains essential that they retain fast, easy, access to the backup files. Azure Explorer is a free tool that might help.
2013-04-29
74 reads
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Not sure if this is really a relational theory question but it seems about...
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
Hi all, I recently moved to a new employer who have their HA setup...
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