Disk Performance Metrics in AWS and Azure
In the last two posts, we have discussed the different types of storage disks available in the AWS and Azure cloud platforms. We also discussed the characteristics that affect...
2020-04-19
16 reads
In the last two posts, we have discussed the different types of storage disks available in the AWS and Azure cloud platforms. We also discussed the characteristics that affect...
2020-04-19
16 reads
In our earliest post, we have discussed in detail about the factors that affect the disk performance and different types of disk offerings in the AWS platform. In this...
2020-04-14 (first published: 2020-04-05)
1,964 reads
In the past many years, apart from working as DBA, I was working with multiple cloud technologies and actively involved in the migration process to cloud infrastructure. In between,...
2020-04-06 (first published: 2020-03-29)
2,913 reads
In our earliest post, we have discussed in detail about the factors that affect the disk performance and different types of disk offerings in the AWS platform. In this...
2020-04-05
17 reads
In the past many years, apart from working as DBA, I was working with multiple cloud technologies and actively involved in the migration process to cloud infrastructure. In between,...
2020-03-29
23 reads
Introduction:
Who is not aware of a SQL Database? It was the first business language introduced for E.F Codd’s Relational Database management system. In addition, MySQL, Oracle, Informix, Sybase, MS...
2020-02-20 (first published: 2020-02-12)
1,461 reads
There can be several reasons that cause Database Logical Consistency based I/O error:
Unexpected system shutdown/crash or forced shutdown
SQL administrator tries to query or modify SQL data
In both the circumstances,...
2019-11-26
34,815 reads
Introduction:
Today we are going to learn how to prevent SQL database corruption. Let’s start with some facts about how database corruption can occur actually. The SQL database corruption could...
2019-10-09
367 reads
I am a SQL Administrator and today I will share my experience about an issue on SQL server, which corrupted the transaction logs and left the database in a...
2019-09-25 (first published: 2019-09-17)
2,957 reads
In our earlier post, we have discussed in detail about the architecture of the data file and different types of pages. In this post, we will be discussing about...
2013-10-01
186 reads
Disclaimer: The following is built with Claude Code. Just need to justify my $100/mo...
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item Building Great Software
I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):
orderid orderdate customerid complete 3 2025-05-10 00:00:00.0002 1 21 2024-01-10 00:00:00.0003 1 15 2023-10-28 00:00:00.0004 1 13 2025-03-08 00:00:00.0006 1 11 2024-04-02 00:00:00.0007 1If I run this query, how many rows are returned?
SELECT * from dbo.OrderHeader where customerid between 3 and '6'See possible answers