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I put it like this: sudo apt install postgresql postgresql-contrib How to fix it? Answer 1, authority 100% First, what does the command do? sudo...
I have this method I need to score a string @param ("key") String Key to the value of int in order to get the...
Explain, please, what is the difference between Order by and Group by ? Answer 1, Authority 100% Sorry for the directness, but ORDER -...
Tell me, I start correcting the database correctly: While there are 3 tables: dbo.exam , dbo.offset , dbo.session . exam and test similar structure:...

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