Another place where artificial consistency comes into play is with databases. The top choices for databases 10 years ago are not the top choices today, so senior leaders sometimes will ask that legacy databases be migrated to another option more consistent with whatever newer systems are using. As with the previous example, there are legitimate nontechnical reasons to do this, such as not wanting the expense of supporting two different databases that essentially behave the same way, but the issue quickly can get out of hand when the engineering team is being asked to remove the key value store
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Except that 10 years is a very short time span for a database to mature.
