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.
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.
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.
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 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.
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.
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.
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.
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 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.
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.
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
By Steve Jones
This month is a milestone for T-SQL Tuesday. It’s number 200, which doesn’t sound...
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Comments posted to this topic are about the item A Quick Second Opinion
On my SQL Server 2025, I want to search the error log from my T-SQL code for potential issues and then inform an administrator. What is the current way to easily query the error log?
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