I'm sorry for not being clear.
Let me translate my previous post: 100% 😀
SQL Server would extend a datafile when space is needed and no space is availabe in any available datafile. That's why you don't want to set a small extent parameter 'cause overhead would kill performance.
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Pablo (Paul) Berzukov
Author of Understanding Database Administration available at Amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.