How to detect database drift prior to running a database migration, so that you can be certain that a database hasn't been subject to any 'uncontrolled' changes that could affect the migration or result in untested changes being deployed to production.
2021-04-28
In this article we cover interesting facts about the hidden resource database in SQL Server and how this is used by SQL Server.
2021-04-28
Introduction According to Microsoft, Database Mail is an enterprise solution for sending e-mail messages from the SQL Server Database Engine. Using Database Mail, your database applications can send e-mail messages to users. The messages can contain query results and can also include files from any resource on your network. This article is going to discuss […]
2021-04-27
1,063 reads
Communication is at the heart of DevOps, but it can be difficult to achieve. Mike Cuppett explains how to improve DevOps communication clarity.
2021-04-27
Introduction Big data consists of very large datasets, which can be structured, unstructured, and semi-structured. Data may be coming from various data sources in real-time or in batches. The traditional tools and technologies we have used in the past are not capable of processing and storing all this data in an efficient way. We need […]
2021-04-26
4,084 reads
This article provides PowerShell automation scripts for running Flyway database migrations. These scripts use SQL Compare to automatically generate all the required database build artifacts in the version control system, for each Flyway deployment.
2021-04-26
In this article, Brent Ozar explains why you should avoid starting T-SQL comments with two dashes.
2021-04-26
Technical skills come and go while soft skills will serve you throughout your life. They will have the greatest influence over your career, job and role. For some people soft skills come naturally. As an Aspergers person (Aspie) I have to practice my soft skills at every opportunity. Pure techies need not lose hope. Soft […]
2021-04-23 (first published: 2019-09-19)
6,575 reads
In this article we cover the topic of data wrangling which is steps you can take to cleanup and validate data prior to data analysis.
2021-04-23
This article will describe how to add your local timestamp at the end of the each file in Azure Data Factory (ADF). In general, ADF gets a UTC timestamp, so we need to convert the timestamp from UTC to EST, since our local time zone is EST. For example, if the input Source file name […]
2021-04-22
28,911 reads
By Chris Yates
I am excited to cover the Microsoft Keynote on Day 2: Redgate Keynote: Simplifying...
By Chris Yates
I’m thrilled to be covering the Microsoft Keynote: Fuel AI Innovation with Azure Databases on Day...
By James Serra
Many customers ask me about the advantages of moving from Azure Synapse Analytics to...
Hi, In my Always On Availability environment, I am seeing two encrypt_option values as...
Hi everyone I have a bunch of CSV files that I need to bulk...
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