Why SQL Server is Better Than Oracle
WARNING: This editorial contains graphic language. Viewer discretion is advised.
Getting Started with the New Column Store Index of SQL Server 2012
Column Store Index, a new feature in SQL Server 2012, improves performance of data warehouse queries several folds. Arshad Ali shows you how to create column store index, and how to use index query hint to include or exclude a column store index.
Software is Like Building a House
One of the really classic analogies in software is that it's like building a house. You have a foundation, multiple teams, lots of contractors that specialize in something, etc. And it's an analogy that's debated as to its relevance over and over. I won't go into the correctness of this analogy, but I wanted to comment on it.
TSQL Challenge 83 - Compare rows in the same table and group the data
The challenge is to compare the data of the rows and group the input data. The data needs to be grouped based on the Product ID, Date, TotalLines, LinesOutOfService.
Your Password has Failed the Test
Your data is in the public domain and as a DBA you need to be very familiar with what it is possible for the sinner to do with a handy password, and how easily that sinner can get hold of it.
Importing Data From Excel Using SSIS - Part 1
Recently while working on a project to import data from an Excel worksheet using SSIS, I realized that sometimes the SSIS Package failed even though when there were no changes in the structure/schema of the Excel worksheet. I investigated it and I noticed that the SSIS Package succeeded for some set of files, but for others it failed. I found that the structure/schema of the worksheet from both these sets of Excel files were the same, the data was the only difference. How come just changing the data can make an SSIS Package fail? What actually causes this failure? What can we do to fix it?
Temporary Tables in Oracle and SQL Server
Jonathan Lewis (Oracle Ace Director, OakTable Network) and Grant Fritchey (Microsoft SQL Server MVP) will host a live discussion on Oracle and SQL Server, this time in relation to temporary tables.
Not Just At Home
There was an interesting article about how telecommuting is the secret to employee happiness and it makes some sense in today's fast-paced, highly connected world. There are a number of job surveys that list flexible hours as one of the most desired benefits.
Restructure 100 Million Row (or more) Tables in Seconds. SRSLY!
Changing the structure of a very large table doesn't need to require a maintenance window.
Data Quality Services Performance Best Practices Guide
This guide details high-level performance numbers expected and a set of best practices on getting optimal performance when using Data Quality Services (DQS) in SQL Server 2012 with Cumulative Update 1.
Blogs
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Forums
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Upgrade 2016 Standard to 2022 Express
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers