> If they're able to outpace you in development/innovation, you are more likely to lose in the market. These things always depend on business requirements. Wha

> If they're able to outpace you in development/innovation, you are more likely to lose in the market. These things always depend on business requirements. What relational database offers, above all others, is data consistency: if used properly, it's an incredibly useful safety net that prevents you from errors that corrupt user's data. Transactions and especially proper schema can catch a lot of bugs that could otherwise wreak havock. So, it's a trade-off: how bad, from a business perspective, would some data corruption be? If you're Tinder, mixing up profile information or deleting a match is probably not that bad. If you're dealing with other people's money, on the other hand, it could destroy your entire business.