Posts by ELD • 119 points
3 posts
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10
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answers2220
viewsQ: What is the difference between Docker-Compose and Dockerfile?
What is the difference between Docker-Compose and Dockerfile, specifically? Docker-Compose uses Dockerfile or vice versa? Can I make every configuration with just one of them? If so, which?…
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0
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answers37
viewsQ: Session vs Cookie, what’s the difference?
I have a question on Sessions and Cookies on the Node, regarding where they are stored and how it works. At first I know the following statements: Cookies I can set when time it can save your data;…
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1
votes1
answer1454
viewsQ: Difference between EXISTS and IN in postgres?
I have a doubt that I have already researched here, but for me it made no sense the explanations. I have this query: SELECT * FROM a WHERE id IN (SELECT ID2 FROM b) And this: SELECT * FROM a WHERE…