Finding and Eliminating Duplicate or Overlapping Indexes
Duplicate & Overlapping Indexes can be a drag on write speed and disk resources. How do we find and eliminate them quickly and effectively?
Duplicate & Overlapping Indexes can be a drag on write speed and disk resources. How do we find and eliminate them quickly and effectively?
A brief editorial on future database engines having built in intelligence.
Every DBA squirrels away favourite queries for monitoring SQL Server. Nowadays many of these are too complex to keep in your head. Dennes describes how he uses T-SQL queries for solving problems, whether it involves fixing the problems of missing indexes, preventing unrestrained autogrowth, avoiding index fragmentation, checking whether jobs have failed or avoiding memory stress conditions.
There are times when you don't want to get exact mathematical calculations in data processing, and Steve Jones talks about one of them today.
In the first article of this stairway, learn what DLM Dashboard can do and how it provides a useful service to DBAs and developers.
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE clause.
One of the challenges associated with running your workloads in Azure SQL Database is the limited level of management oversight. Fortunately, there is an alternative approach that leverages the functionality incorporated into the recently introduced Azure SQL Database Advisor - Marcin Policht provides a brief overview.
In this demo, we will give an introduction from 0 about Power BI and how to connect to Azure SQL Databases and Google Analytics
Not more hacking, but rather a data error in some cars is disturbing to Steve Jones.
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
By gbargsley
One of the first things I review when I inherit a new SQL Server...
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
I have an issue where I have a Bill of Material list of items...
Comments posted to this topic are about the item Follow Your Hunch
Comments posted to this topic are about the item What Happens When You Ask...
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