Code Visibility: Browsing through Flyway Migration Files

If you can convert a SQL file to HTML, then you can inspect your Flyway migration files in a browser. This is especially useful if your SQL is color-coded with the same conventions as it was in your IDE. It is even better still if your browser can allow you to scan through many files, moving from file to file with a single click. This article demonstrates how to do this with a few PowerShell scripts. Read more

Doing Flyway Migrations for Many Different Databases and Projects

This article demonstrates a PowerShell automation technique that will allow you to run any Flyway build or migration task on any number of projects and databases, hosted on a range of RDBMSs. It handles all connection and authentication details securely, makes it easier to automate database testing and can send detailed alerts when Flyway encounters an error. Read more

Troubleshooting SQL Server Queries using Actual Execution Plans

For SQL Server 2019 onwards, Redgate Monitor can now show the actual execution plan, complete with runtime statistics, for expensive queries that were running over any period of investigation. This means you'll not only know how SQL Server executed your poorly performing query but also see accurate runtime data. Any big discrepancies between estimated and actual row counts will be revealed, and Redgate Monitor will highlight any warnings and offer recommendations. Read more

Running Database Assertion Tests with Flyway

A database assertion test aims to check that data within a relational database conforms to specific business rules. This article demonstrates how to run these assertion tests automatically in Flyway, checking that the queries under test always produce the expected results. Read more

Deploying Different Sequence Objects to SQL Server Databases Using Flyway

Consider a customer who needs to deploy sequence objects to multiple SQL Server production databases, but where the values generated for the surrogate key, in each database, must be unique. This article demonstrates one way that this can be accomplished with Flyway. Read more

Running Structured Database Tests in Flyway

How to run structured Arrange-Asset-Act-Teardown (AAAT) tests, each time Flyway successfully migrates a database, where you can annotate each test script to specify exactly how the test run should proceed, and then save all results and any errors to a simple ASCII report. Read more

Flyway Alerting and Notifications

Once a scripted Flyway task is tested and bedded-in, it should rarely cause errors, so when one happens the team need to be notified immediately, especially if it is part of an automated deployment process. This article provides a PowerShell cmdlet that will execute any Flyway command, process and filter the Flyway output and send any errors to the chosen notification system. You can receive the Flyway error alerts on your mobile phone, if required! Read more

Using a GitHub Tagged Release for a Flyway Migration

Why not just build the latest version of any branch of the database by pulling the scripts from the latest tagged release on GitHub? While it is easy to get the files via the GitHub site, it gets tedious to do so repeatedly, via the GUI. It is, however, possible to automate this via the Rest API, using a script. If you are using PowerShell, I've done it for you. Read more

Using Database Models and Flyway for Automating Routine Development tasks

Database models have all sorts of useful applications during Flyway development to help us automate those repetitive development tasks that otherwise slow down delivery. This article shows how models can help us automate mundane tasks such as generating a build script for any version of a database or deleting the data from every table. Read more

Integrating Redgate Monitor into a Tier-1 Alert and Notification System

Redgate Monitor provides detail-level diagnostic data that will allow an expert to drill down to establish the cause of, and a fix for, any database problem. However, with support for webhooks, it can also contribute alerts to the sort of "Tier 1" alerting and paging system that an operations team might use to get an immediate notification of an urgent problem, anywhere on the network, and then coordinate a timely response. Read more

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