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
4,081 reads
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
4,081 reads
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 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
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
You can do essential monitoring of SQL Server instances and databases with a FREE toolkit!
2022-01-28
6,840 reads
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 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
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
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
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
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In SQL Server, when the buffer manager write pages to disk, page protection is added to the pages. There are two types of protection: torn page protection and checksum page protection. What happens with regards to concurrency with page protection during writes?
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