Random problems
Building random numbers can be challenging for people working in T-SQL. New author Chris Nowicki brings a solution he used to get a random number assigned to each row of a result set.
2009-06-09
5,108 reads
Articles
Dynamic SQL execution on remote SQL Server using EXEC AT
In this tip I am going to start my brief discussion with OPENQUERY and OPENROWSET table functions, its limitation and how the new EXEC AT command overcomes them.
2009-06-09
5,083 reads
Facts and Fallacies about First Normal Form
When discussing the normalisation process, it is always the First Normal Form that causes the most grief and confusion. Anith Sen takes up the challenge to explain, in simple terms, exactly what the First Normal Form really is, and why it is so important for Database Design. Along the way, he dispels some of the myths that have grown up around 1NF.
2009-06-09
5,827 reads
Mining for Quitters
Google is trying to figure out who might quit the company, using their own custom application. Steve Jones thinks this is a great idea and wishes more companies would do it.
2009-06-09
860 reads
Mining for Quitters
Google is trying to figure out who might quit the company, using their own custom application. Steve Jones thinks this is a great idea and wishes more companies would do it.
2009-06-09
932 reads
Mining for Quitters
Google is trying to figure out who might quit the company, using their own custom application. Steve Jones thinks this is a great idea and wishes more companies would do it.
2009-06-09
1,066 reads
SQL Server Encryption - Hashing Collisions
A hash is a computation that transforms one set of data into another (hopefully smaller) set of data. So a hash on your 2,000 character blog post should generate a smaller, 10-20 byte value. In doing that, obviously there are many more possible 2,000...
2009-06-09
3,552 reads
Best of SQLServerCentral, Volume 5
Best of SQLServerCentral vol 5 pulls together some of the best contributions to SQLServerCentral.com in 2007.
2009-06-08
4,876 reads
When is a Backup Considered Successful?
What makes a successful backup? New author Steven Bouffard talks about some things you might want to consider when evaluating if your backup process is considered a success.
2009-06-08
7,516 reads
Basic Server Reporting Functionality in SQL Server 2005 Express Edition
In the recent installments of our series dedicated to the most prominent features of SQL Server 2005 Express Edition, we have started an overview of its reporting capabilities. This article focuses on elementary methods you can employ to generate custom reports.
2009-06-08
2,954 reads
Blogs
Keeping Track of my ConEmu CLIs
By Steve Jones
I use ConEmu for my terminal interface. I’m still on Windows 10 at home,...
10 Decisions to Make Before You Create A Fabric Workspace
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
Flyway Tips: Object History
By Steve Jones
It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...
Forums
Adding new column with DEFAULT II
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Advanced Deployment Scenarios: Stairway to Reliable Database Deployments Level 7
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You Need a DBA Pipeline
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Question of the Day
Adding new column with DEFAULT II
Which number did the two COUNT(*) return:
DROP TABLE IF EXISTS #tmp CREATE TABLE #tmp (id INT NOT NULL) INSERT INTO #tmp (id) SELECT gs.value FROM GENERATE_SERIES(1, 5) AS gs ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1 SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1 ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1See possible answers