Testing Databases: What’s Required?

An overview of the challenges of database testing and test data management, reviewing the different types of database test that need to run during development work, what sort of test data they require, and how to manage all the required data sets, during development, in a way that allows rapid cycles of parallel testing. Read more

Dealing with Mutually Dependent Databases in Flyway

How to create and manage 'stub' objects, in Flyway migrations, in order to overcome build failures caused by circular, or mutual, dependencies between objects in different databases. The technique should be applicable to any RDBMS. Read more

Dealing with Cross-Server Database Dependencies in Flyway Projects

How to tackle database development in Flyway when databases make cross-server references. The technique uses synonyms to represent the remote objects, and local 'stub' objects to overcome the problems caused by 'missing references' when building the individual objects. Read more

A Version Control Strategy for Database DevOps

Our goal was to transform a 'serial' and manual development and release process into one that supported parallel development work and automated releases. This article explains step one: migrating our monolithic, centralized repos to Git, then implementing a Release Flow branching strategy for parallel development work streams, and a Pull Request workflow to control an automated build and release process. Read more

Setting up for Team-based Database Development using Flyway Desktop

This article provides a simple demonstration of how a small team of developers might set up a Flyway Desktop project to manage, automate, and control database development. Read more

Executing Optional Code in Flyway Callbacks

When you are building or migrating a database, it is nice to have a system that you can easily configure for various tasks, such as logging, loading or dumping data, or backing up of the database. This article demonstrates how we can use a Flyway placeholder as a simple on/off switch for each task, during Flyway migrations. Read more

Transferring Database Documentation into SQL DDL Scripts

We all love having documentation in source code, if not writing it. We just want to ensure that it gets propagated and retained so you and your team members can read it if they need to. This article demonstrates a cross-RDBMS PowerShell task that will extract the comments from a primary JSON source of database documentation and add it to a set of SQL DDL source files. Read more

Cross-RDBMS Code Quality Reports in Flyway

Before you commit your Flyway migration files, you may want to run some automated checks for style or 'code smells'. This article demonstrates how to run basic cross-RDBMS code quality checks using SQL Fluff. We analyze the results in PowerShell to produce reports and analytics on the number or types of issues found. Read more

Flyway Desktop in Database Development Work: An Overview

For those new to Flyway Desktop, this article takes a strategic overview of the components of a Flyway Desktop project, how to set up a project for team-based development work, and how we can use the tool in conjunction with a version control system and CI servers to manage a database development and release process. Read more

Maintaining a Utilities Schema in a Flyway Project

Whatever development methodology you use, it is useful to have, and independently maintain, a separate schema within a database for utilities. These utilities are database objects that monitor the functioning and operation of the database, but aren't part of the database. This article demonstrates how to manage these utilities from Flyway so that we can maintain and migrate them separately from the database objects. Read more

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