Types of SQL Server Indexes
In this tip we will go through each type of index that is available in SQL Server and give an overview as well as advice on which index types fit each particular use case.
SSAS Error: Duplicate attribute key found when processing
Learn how to resolve a duplicate value error when processing dimensions in SSAS.
Using Aliases in SQL Prompt
Phil Factor explores the role of table aliases, explaining when they are required, and their general purpose otherwise, the need for sensible naming of aliases, and how SQL Prompt handles them.
Using Calendars and Dates in Power BI
You can use a host of time-intelligence functions in DAX to calculate everything from simple year-to-date totals to moving averages and average opening and closing balances. In this article, Andy Brown shows how to model various scenarios with calendars and dates, and how to get around some of the issues you may encounter.
How Do We Prove Expertise?
Today, Grant Fritchey talks about the two paths to expertise for database professionals and why it’s hard to really know if someone is an expert.
SSRS Audit: All reports executed/not-executed during previous 30 days
This article presents a pair of queries and reports that reads the ReportServer.dbo.ExecutionLog table to list all SSRS reports that were executed or not-executed in the past 30 days, how many times they were executed, and who executed them.
A simple use case for Columnstore Indexes in SQL Server
In this article we look at different use cases for columnstore indexes like when performing SQL Server count * queries.
Data Categorization for AdventureWorks using SQL Data Catalog
Josh Smith shows how to use SQL Data Catalog to perform a 'first cut' data classification for one your SQL Server databases, identifying all columns that are likely to hold personal or otherwise sensitive data.
How to remove quote marks using SSIS and a little C#
Introduction If you import flat files and use double quotes as your Flat File Text Qualifiers, then it’s likely that you’ve encountered problems when importing data where speech marks have been entered manually. This is a common occurrence in free text fields, such as Name. e.g. Smith, James “Jim” Attempting to import a file with a […]
Why I’m Learning Git via the Command Line Interface
Today Kendra discusses the advantages of using a command line interface for Git.
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Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers