SQL Server 2012 Always On Groups and FCIs Part 4
This is Part 4 of a series on Always On and FCI integration in SQL Server. In this article we will learn how to add the iSCSI disk storage to our SQL Server nodes and build the cluster.
Stairway to Always On Level 1: What is "SQL Server Always On"?
Level 1 of the stairway looks at exactly what the technologies "Always On", "Failover Cluster Instance" (FCI) and "Windows Server Failover Cluster" are. We'll look at each in detail and summarize where in the High Availability stack they sit.
Stairway to Always On Level 2: Storage 101
In this new level of the stairway, we examine the storage knowledge you need for an Always On configuration.
Stairway to Always On Level 3: Infrastructure 101
In this next level of the Stairway to Always On, we will look at the components required to implement a Windows Server Failover Cluster.
Stairway to Always On Level 6: Analyse and Deploy an Always On Availability Group
In level 6 of this stairway, we will look deeper into Availability Groups and how to set them up along with a Listener.
Stairway to Always On Level 7: Combining FCIs with Availability Groups
In Level 7 of this stairway, we look at combining Availability Groups with FCIs for both HA and DR protection.
Stairway to Always On Level 8: Segregate Mirror Traffic in AlwaysOn
this article details how to segregate the mirror traffic in an Always On group configuration
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Question of the Day
Detecting Characters
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers