SQL – the data awakens

Yesterday I finished “Intro to SQL – Querying And Managing Data” course on Khan Academy. Overall, it was a pretty good course. I wanted to make some notes on what I have learned in the past few days. I really like their method of teaching where¬†they have a 5 minute video lecture and then interactive exercises. You can learn at your own pace. If you don’t understand something, you can pause, rewind and watch that section again.

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