Some tutorials install the database on ubantu so as not to occupy computer memory?

python The tutorial installs the database on ubantu so as not to occupy computer memory ?
What is the difference between installing it on my own computer and installing it in ubantu ? thank you , My computer is windows

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Take the answer ：

No matter where it is installed , Will take up disk space , Running will also take up memory . Ubantu and Windows The same is the operating system , According to your description , The wubantu you said should be Windows The operating system in the virtual machine under , So there is another virtual computer in the computer . Ubantu is linux One of the releases of , In fact, most production environment servers are used linux, Use linux The environment is more practical . in addition , If you want to delete it in the virtual machine, you can delete it directly , It will not have any impact on your local system ; The environment is local , If you want to unload, you may not be able to unload it completely

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