Make a Backup First
The hack on a Gizmodo writer using Amazon and Apple customer service security holes was shocking. Steve Jones notes that while security is important, backups are even more important.
Stairway to T-SQL DML Level 8: Using the ROLLUP, CUBE and GROUPING SET operator in a GROUP BY Clause
In this article I will be expanding on my discussion of the GROUP BY clause by exploring the ROLLUP, CUBE and GROUPING SETS operators. These additional GROUP BY operators make it is easy to have SQL Server create subtotals, grand totals, a superset of subtotals, as well as multiple aggregate groupings in a single SELECT statement.
Row Number Transformation
The Row Number Transformation calculates a row number for each row, and adds this as a new output column to the data flow. The column number is a sequential number, based on a seed value. Each row receives the next number in the sequence, based on the defined increment value.
Big Data Jobs
Big Data is in the news and there is a lot of job growth. Steve Jones lists a few industries and areas where you might find one.
Hierarchies in SQL, Part II, the Sequel
In a followup to his first article on Hierarchies, Gus Gwynn takes a look at the performance of a few different methods of querying a hierarchy. Learn how the HierarchyID stacks up.
How To Support Multiple SQL Server Package Configurations in SSIS
I have several applications that use SSIS packages and I want to be able to store all the configurations together in a single table when I deploy. When a package executes I need a way of specifying the "application" and having SSIS automatically handle the package configuration based on the application.
Brad McGehee Moves On
The SQLServerCentral and Database Weekly editors recognize the contribution of Brad McGehee to the websites and newsletters, and to DBA education in general, over the past 5 years.
Enforce business rules with indexed views and a two-row table
Here’s a technique that uses a view with a unique index and a dummy table with only two rows to trick SQL Server into enforcing your business rules.
The 2012 SQLServerCentral/Exceptional DBA Awards Party at the PASS Summit
The 2012 SQLServerCentral party at the PASS Summit is on and will once again include the awards ceremony for the Exceptional DBA of 2012. Get your tickets now.
SSIS Basics: Introducing Variables
In the third of her SSIS Basics articles, Annette Allen shows you how to use Variables in your SSIS Packages, and explains the functions of the system-defined variables.
Blogs
Houston AI-Lytics 2026–Powerpoint Slides
By Steve Jones
Thanks to everyone for attending my session on running a Local LLM. If you...
The Book of Redgate: Do the Right Things
By Steve Jones
I do believe that Redgate has been very customer focused since it’s inception. I’ve...
How to Connect to SQL Server When Nothing Else Works – DAC
By gbargsley
It's 2 AM. Your phone is going off. Users can't connect to the application,...
Forums
Warning: Could not open global shared memory to communicate with performance DLL
Hi everyone I am getting below warning when I run SSIS: Warning: 0x80049304 at...
Let's Talk Community Events!
Comments posted to this topic are about the item Let's Talk Community Events!
that one limitation in replication
Hi as shown below a replication target requires a primary key. if we want...
Question of the Day
Detecting Deadlocks
By default, how often is the SQL Server Database Engine checking for deadlocks?
See possible answers