Running Linux SQL Server as a Container

Phil Factor starts a series of articles that will demonstrate the use of temporary SQL Server instances, running in Linux containers, into which we can deploy the latest database build, stocked with data, for development and testing work. This initial article shows how to set up a SQL Server instance inside a Linux Docker container, create some sample databases, and persist data locally. Read more

SQL Clone on your Laptop

Phil Factor provides a PowerShell script to disconnect your laptop without risking error 21, if you're working with SQL Clone and need to go offline. The same script will then bring the clone database back online smoothly, once you're reconnected. Read more

Refactoring Databases with SQL Prompt

Louis Davidson demonstrates how SQL Prompt can significantly lessen the pain involved in occasional, 'heavyweight' database refactoring processes, such as renaming modules, tables and columns (Smart Rename), or splitting tables (Split Table). Read more

Insert Statement Without Column List (BP004)

Many production databases have failed embarrassingly as a result of INSERT code that omits a column list, usually in mysterious ways and often without generating errors. Phil Factor demonstrates the problem, and advocates a 'defense-in-depth' approach to writing SQL, in order to avoid it. Read more

The Sins of SELECT * (BP005)

If Prompt warns you of use of the asterisk, or 'star' (*), in SELECT statements, consider replacing it with an explicit column list. It will prevent unnecessary network load and query performance problems, and avoid problems if the column order changes, when inserting into a table. Read more

SQL Clone for Unit Testing Databases

Phil Factor demonstrates how to use SQL Clone to create 'disposable' SQL Server databases, for development and testing work. You can spin up a clone, use it to unit test your code, messing up the clone in the process, then reset the clone in seconds, ready for the next test. Read more

Azure SQL Elastic Pools and Redgate Monitor

This article explains the Azure-tailored metrics and alerts in SQL Monitor that track use of the limited compute resources available to an Azure SQL Elastic Pool, and to each of the databases in it. Read more

Reporting on the Status of Clones During Database Development

Phil Factor uses SQL Clone, PowerShell and Visio to build a live 'clone network' diagram showing when there was last activity on each clone, and the number of object changes made to each one, alongside useful metadata such as the clone and image sizes, who created them and when. Read more

Refactoring a Batch or Object with SQL Prompt

Louis Davidson reveals some useful Prompt features for refactoring individual code blocks or modules during development, which will improve code quality, reduce tedium, make testing simpler, or sometimes all three. Read more

Tracking the number of active sessions on a database using SQL Monitor

Phil Factor creates a simple custom metric to track the number of sessions that have recently done a read or write on a database. Having established a baseline for the metric, you'll be able to spot, and investigate the cause of, any wild deviations from normal behavior. Read more

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