SQL Server .WRITE() Function to Update VARCHAR(MAX), NVARCHAR(MAX) and VARBINARY(MAX) Data Types
Learn about the SQL Server .WRITE function along with how to use this to update data in VARCHAR(MAX), NVARCHAR(MAX), and VARBINARY(MAX) data types.
What are the biggest challenges organizations face in their digital transformation efforts?
As part of a recent Redgate Summit which focused on data modernization, Grant Fritchey interviewed Pramod Sadalage, a Director at Thoughtworks. They discussed data and DevOps, and the typical challenges organizations come across in their digital transformation efforts. Grant Fritchey shares this Q&A.
Better Writing
Are you a good writer? You should be. Steve Jones notes that communication skills are not only important, but that poor ones can set you apart in a way you might not like.
Stairway to SQL Server Security Level 9: Transparent Data Encryption
Even an otherwise well-secured database is susceptible to attack if an attacker is able to get access to the disk files that comprise the database. Cell-level encryption can protect some of the data, but for complete protection against this kind of attack it is necessary to encrypt the files and not just the data. That is exactly what Transparent Data Encryption (TDE) does, and in this stairway level you'll learn what TDE does, how it works, and how to make use of it to protect your database files.
Optimizing Queries in MySQL: Optimizing Reads
In this blog, we’re going to walk you through how to solve the issues posed by that concern. At the end of the article, we’ll also walk you through some DDL operations to load test data.
Recording What’s Changed when Running Oracle Migrations with Flyway
This article uses Flyway and a PowerShell framework to generate a simple JSON model for each new version of an Oracle database, and then compares models to get a high-level 'narrative' of which tables, views or procedures were changed by each Flyway migration.
Find Invalid Objects in SQL Server
This article shows how you can find which objects in your database might not be valid after schema changes.
Watching the Watchers
This editorial was originally published on Jan 16, 2007. It is being republished today as Steve is on vacation. This one looks at the potential issues with data mining when data might be shared between companies.
How to Install the AdventureWorks Sample Database in Azure SQL Database
Learn how to configure Azure SQL Database and setup the AdventureWorks database for code testing and learn how to use features of SQL Server.
Blogs
T-SQL Tuesday #180: Good enough is perfect
How can you achieve good enough without compromising the process/product? In the world of...
How to Convert FileTime to DateTime
By Patrick
One of my customers recently wanted to rename each of the SQL audit files...
The pros and cons of self-service BI: What every industry leader should know
The post The pros and cons of self-service BI: What every industry leader should...
Forums
What's New for the Microsoft Data Platform
Comments posted to this topic are about the item What's New for the Microsoft...
Using Outer Joins
Comments posted to this topic are about the item Using Outer Joins
Question of the Day
Using Outer Joins
I have this data in a SQL Server 2019 database:
Customer table CustomerID CustomerName 1 Steve 2 Andy 3 Brian 4 Allen 5 Devin 6 Sally OrderHeader table OrderID CustomerID OrderDate 1 1 2024-02-01 2 1 2024-03-01 3 3 2024-04-01 4 4 2024-05-01 6 4 2024-05-01 7 3 2024-06-07 8 2 2024-04-07I want a list of all customers and their order counts for a period of time, including zero orders. If I run this query, how many rows are returned?
SELECT c.CustomerName, COUNT(oh.OrderID) FROM dbo.Customer AS c LEFT JOIN dbo.OrderHeader AS oh ON oh.CustomerID = c.CustomerID WHERE oh.Orderdate > '2024/04/01' GROUP BY c.CustomerNameSee possible answers