Using SQL Server Dynamic Online Catalog to Solve Problems: Stairway to Exploring Database Metadata Level 2
In this second level of the Stairway, Phil looks at where we go to find information about objects, using triggers as the example.
What is SSIS? Level 1 of the Stairway to Integration Services
Learn about the very basics of what Integration Services is and how it's used in SQL Server.
What is StreamInsight and why does it matter?
An introduction to SQL Server StreamInsight and Complex Event Processing with a focus on Business Intelligence.
Creating CRUD Stored Procedures in SQL
Back to the basics: learn how to Create, Read, Update and Delete operations are pivotal for any database application. Plus, you’ll see how to use Stored Procedures to manipulate data on the database side instead of on the application side.
Query Tuning Assistant: A Tool for Upgrades
If you have been working with SQL Server long enough, you have probably been involved with a SQL Server 2000 to 2005 upgrade. It was painful for many shops due to the deprecation of some features like DTS and the removal of old-fashioned comma joins with the plus operator. It was worth the pain as […]
What's Worse than Announcing a Data Breach?
Steve has a few thoughts on what is worse than telling your boss about a data breach.
Introduction to SQL for Cosmos DB
This article by Adam Aspin reviews the Azure Cosmos DB SQL API from the perspective of the relational database developer. More specifically it will show you how to leverage your Structured Query Language skills to exploit the core possibilities of Cosmos DB as a NoSQL document database.
Can deleting rows make a table…bigger?
Michael J. Swart posted an interesting question: he had a large table with 7.5 billion rows and 5 indexes. When he deleted 10 million rows, he noticed that the indexes were getting larger, not smaller.
SQL Server Reporting Services Lookup, LookupSet and MultiLookup Functions
I noticed the Lookup function in SQL Server Reporting Services. In this tip we look at all three SSRS lookup functions: Lookup, LookupSet and MultiLookup.
Blogs
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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...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
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Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
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