Product articles

Find the Version of a Flyway-managed Database

Maintaining a version of a database opens a lot of possibilities, especially if an automated process can easily grab the current version, at runtime. You might, for example, have a routine that is only appropriate after a particular version. It is also very handy to be able to associate entries in an event log or bug report with the database version. The article describes various ways to get the current Flyway schema version from Flyway, and how to get it using SQL, in SQL Server, MySQL, PostgreSQL and SQLite. Read more

Using Bash with Flyway

If you're using a Linux-based operating system, Bash is the obvious choice of scripting language for Flyway. This article demos the basics of dealing with credentials in team-based database development, when using 'traditional' flyway.conf files, and how to save and parse the JSON output of Flyway commands, for example to retrieve the current schema version. It provides a full automation example that will allow a team to maintain several copies of a database, one per development branch, from a Flyway project. Read more

Data Masking in Practice

This article takes a strategic look at common data masking and anonymization techniques, and the challenges inherent in protecting certain types of sensitive and personal data, while ensuring that it still looks like the real data, and retains its referential integrity, and distribution characteristics. It also explains, briefly, with references, the tools that one can use to mask different types of data and how to provision development and test machines with these 'de-sensitized' databases, or alternatively to produce fake data that looks like the real thing, but in fact is generated randomly. Read more

Flyway’s Clean Command Explained Simply

The Clean command resets a database to its initial state, before any Flyway migrations were applied. In other words, it empties the database. This can be useful for any development task that requires that you recreate the database structure, or for tearing down a test harness. It also allows you to try out experiments and alternative strategies within an isolated feature branch, and then reverse out of them. Read more

Flyway’s Baseline Migrations Explained Simply

A Flyway Baseline migration script is a single script with a B prefix that will migrate an empty database, or one that Flyway has 'cleaned', to the version specified in the file name. It is useful both for consolidating a long, often complex chain of historical migrations, and for capturing the current production version of a database, as the starting point for developing subsequent migrations. Read more

Redgate Hub