ETL Magic with SSIS – Part I
The first part of two parts of a paper discussion the implementation of a "real-world" ETL example using SSIS.
Raw Materials - Decisions, Decisions
Centuries ago, the philosopher Leibniz had a dream that all decisions could be made by machine. Today, his vision comes to life, more or less.
Using bit columns with NULLs when three options exist in SQL Server
Frequently surveys ask yes/no questions and use a bit datatype. What are the effects of allowing this column to be NULL in a SQL Server table? Check out this tip to learn more.
Stairway to T-SQL DML Level 7: Summarizing Data Using a Simple GROUP BY Clause
In this article you will be see how to group data using the simple GROUP BY clause, in order to summarize more complex data.
Truth and Demos
Today Steve Jones reminds us that we are all selling something in technology, even if it's our reputation. We ought to be truthful in our dealings with our clients.
XML-XSL Transformations in SQL Server
With the release of Master Data Services (MDS) for SQL Server 2008R2, it is now possible to perform XML transformations on the database server.
When to Break Down Complex Queries
Microsoft SQL Server is able to create very efficient query plans in most cases. However, there are certain query patterns that can cause problems for the query optimizer; this article describes four of these patterns.
Cloud Patches
The cloud changes the way that we can administer and deploy changes to our systems. Steve Jones highlights an interesting idea, and hopes we get similar techniques applied to databases in the cloud.
Managing Transaction Logs
A great article that should answer all your questions about the transaction log from MVP Gail Shaw. A must read for all DBAs.
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
Comments posted to this topic are about the item Adding new column with DEFAULT...
Advanced Deployment Scenarios: Stairway to Reliable Database Deployments Level 7
Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...
You Need a DBA Pipeline
Comments posted to this topic are about the item You Need a DBA Pipeline
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