Oracle ASM: Migrating from UDEV devices to the ASM Filter Driver
This article looks at the way in which you can convert unmanaged devices to the ASM filter drive in an Oracle system.
2022-03-04
4,424 reads
databases
When to use CHAR, VARCHAR, or VARCHAR(MAX)
It’s important to choose the right datatypes when designing a database. Greg Larsen explains the differences between CHAR, VARCHAR and VARCHAR(MAX).
2022-02-14
Vertipaq optimization and its impact on columnstore compression
Vertipaq optimization is a critical component of the columnstore compression process. Edward Pollack explains how it works and what you need to know to manage it.
2022-02-11
Transformations by the Oracle Optimizer
To troubleshoot poorly performing SQL in Oracle, you must understand which transformations the optimizer has made. Jonathan Lewis demonstrates several possible optimizations for one query.
2022-02-09
SQL Server Monitoring Using Free Tools
You can do essential monitoring of SQL Server instances and databases with a FREE toolkit!
2022-01-28
7,008 reads
Quantifier predicates
Predicates in SQL are often complex and difficult to understand. In this article, Joe Celko explains the logic behind a few of the predicates: EXISTS, SOME, ANY and ALL.
2022-01-14
Ransomware: A world under threat
Ransomware has threatened many organizations over the past few years. In this article, Robert Sheldon explains the history of ransomware and what needs to be done to protect against it.
2021-11-22
Searching for Objects in SQL Server Databases
How to get the most out of SQL Search, a free database search tool for SQL Server Management Studio (SSMS) and Visual Studio that will locate database objects based on their names, columns, or text.
2021-11-19
Text Mining and Sentiment Analysis: Data Visualization in Tableau
Tableau is a popular visualization tool used by organizations around the world. In this article Sanil Mhatre demonstrates sentiment analysis with Tableau and Oracle data.
2021-11-08
Automating Extended Events data collection
It’s not difficult to set up an extended event session, but reviewing and saving the data can be complex. In this article, Edward Pollack demonstrates how to collect extended event data.
2021-11-03
Blogs
T-SQL Tuesday #191 Round Up
By Steve Jones
I hosted this month, late as it turns out, but we still had a...
Come See Me at the PASS Data Community Summit
By Brian Kelley
I'm speaking on Quantum Computing at the PASS Data Community Summit. It's scheduled for...
SQL Clone at Scale with Striped Backups
By Steve Jones
I had a customer recently reach out to ask if SQL Clone would work...
Forums
Create an HTML Report on the Status of SQL Server Agent Jobs
Comments posted to this topic are about the item Create an HTML Report on...
Managing unused indexes
While doing some housekeeping activity on several old but large production databases, I come...
Cloud Performance Considerations
How important to SQL Server is the speed of the SSD and network latency?...
Question of the Day
Striped Backup File Limits
In SQL Server 2022, how many backup files can I have in a striped backup?
See possible answers