Generate QR Code® barcodes in an SSRS report with the QRCoder library
QRCoder is an open source implementation of standards specification ISO/IEC 18004, which defines the requirements for two-dimensional QR Code symbols. It is a more complete implementation of the standard than the open source QRCode4CS library that was used in a previous article.
Managing Cross-Database Object References
Phil Factor explains cross database and cross-server references, how to find them in your code, and when it's better to avoid hard-coding these references and use synonyms instead.
SQL Server
I am new to SQL Server and I have heard the term used in a number of different capacities and in different contexts. So what exactly is it? What are the common components? How does it work? How do people use it? I am brand new to the technology, where do I get started?
Getting started with PostgreSQL on MacOS
This article covers how to install PostgreSQL on the macOS.
DBA in training: Security
Securing data is not always easy to do, but it should be the top responsibility for database administrators. From protecting the physical servers to preventing copies of backups files from getting into the wrong hands, there is a lot to consider. In this article, Pamela Mooney covers what DBAs need to think about when securing their organisation’s data.
Stairway to Database Design Level 8: Cursors
This final level to the first landing completes the basics of a SQL database, by explaining what cursors are and why you should never use them.
Free eBook: Performance Tuning with SQL Server Dynamic Management Views
Dynamic Management Views (DMVs) are a significant and valuable addition to the DBA's troubleshooting armory, laying bare previously unavailable information regarding the under-the-covers activity of your database sessions and transactions.
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
Comments posted to this topic are about the item How We Handled a Vendor...
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