What is QuantumDB?

Performing schema migrations in SQL databases in any production environments is full of risks. Altering a table that's subject to any read or write operations can severely impact the performance of your application. As we know from previous research, (certain) Data Definition Language operations (red. schema operations) require specific locks on the table they're affecting. These locks in turn prevent your application from accessing these tables, which can make your application unresponsive for the duration of the schema operation. QuantumDB is here to address this problem:

QuantumDB is a tool designed execute database schema migrations on SQL databases with zero-downtime.