If you can generate a quick Entity-Relationship diagram for any version of a database, you'll have a simple way to 'sanity check' it for unreferenced tables, missing keys and other design flaws. This article shows how to auto-generate these diagrams when running a migration, using Flyway Teams and PowerShell.
2022-06-20 (first published: 2022-06-06)
Introduction Relational databases are designed to track changes introduced to a database by data modification language (DML) commands. The fundamental reason for this construct is to ensure that changes are durable and that they can be rolled back reliably. The typical DML command used in SQL are INSERT, UPDATE and DELETE. When INSERT introduces new […]
2022-06-13 (first published: 2022-06-10)
6,852 reads