Data Insecurity: A Perspective on Data Encryption
The focus of this paper is on the protection of PII data stored within a database using encryption technologies.
2013-03-07
1,780 reads
Ron Johnson
Data Distribution with SQL Server Replication
This paper provides a foundation for understanding data replication as well as a discussion of the criteria for selecting an appropriate replication technology.
2012-12-10
2,397 reads
Indexes, Indexes, Indexes
This article has a description of an index utilization tool that Ron Johnson uses to analyze the effectiveness and use of indexes in a system.
2012-07-04 (first published: 2011-07-05)
19,278 reads
Database Performance Transparency
Describes the benefits of publishing instance performance metrics including a script to generate HTML-based Performance Snapshot.
2012-02-08
6,919 reads
ETL Magic with SSIS – Part II
Part II of a discussion and demonstration of ETL of a CSV data file using SSIS.
2012-01-12
9,599 reads
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.
2012-01-05
15,687 reads
Performance Monitoring with Dynamic Management Views
In this article, Ron Johnson shows how you can use DMVs for proactive real-time SQL Server performance monitoring.
2011-11-17
13,385 reads
Understanding Indexes
This article contains an introduction to SQL Server indexes and how they are used in your queries.
2011-02-15
23,275 reads
Transparent Database Encryption in SQL Server: A Planning Guide
A planning guide for the implementation of TDE in SQL Server.
2011-01-10
7,195 reads
Blogs
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Extending a SQL Server Failover Cluster Across Regions in Google Cloud Platform (GCP)
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
Forums
How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers