Re: How this works
I'm pretty sure the Enterprise Edition of the Oracle database is not considered consumer grade. This is the EULA for the database.
And every other "Enterprise" grade vendor has a similar EULA.
https://www.oracle.com/us/corporate/pricing/olsa-ire-v122304-070683.pdf
ORACLE DOES NOT GUARANTEE THAT THE PROGRAMS WILL PERFORM ERROR-FREE OR UNINTERRUPTED OR THAT ORACLE WILL CORRECT ALL PROGRAM ERRORS. TO THE EXTENT PERMITTED BY LAW, THESE WARRANTIES ARE EXCLUSIVE AND THERE ARE NO OTHER EXPRESS OR IMPLIED WARRANTIES OR CONDITIONS, INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
FOR ANY BREACH OF THE ABOVE WARRANTIES, YOUR EXCLUSIVE REMEDY, AND ORACLE’S ENTIRE LIABILITY, SHALL BE: (A) THE CORRECTION OF PROGRAM ERRORS THAT CAUSE BREACH OF THE WARRANTY, OR IF ORACLE CANNOT SUBSTANTIALLY CORRECT SUCH BREACH IN A COMMERCIALLY REASONABLE MANNER, YOU MAY END YOUR PROGRAM LICENSE AND RECOVER THE FEES PAID TO ORACLE FOR THE PROGRAM LICENSE.