PostgreSQL: Inner Joins | Course | 2019

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PostgreSQL is a general purpose and object-relational database management system, the most advanced open source database system widely used to build back end systems. Startups including big companies such as Apple, Cisco, Redhat and more use Postgres to drive their business.

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Комментарии
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Great video but I think using A + B to describe a Inner join is not appropriate.
That could lead someone to think that the result would be like a Outer Join, where all rows from A and B would be included regardless.

しげお-il
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Just note for myself:
5:29 : '/x - Expanded display is off

wynez
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i have one doubt, , if there is no common items in both table it supposed to show NULL right but as per your video it shows both table together.. is that if there is no common items it will take both table together.. can anybody clarify the doubt.

dhikeshmm
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You helped me out a lot for a course I'm doing, very professionally developed content that's very easy to understand. Big thanks bro!

londonresistance
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Thanks for the clear explanation and example! That expanded display mode is very convenient. I first saw your channel when you hosted on The Coding Train. Keep up the great videos!

sairao
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How would we use the ORDER BY within the query?

TheJollyRhino
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this is such a big help. thank you for the tips

AliceNicolas-tsri
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@Amigoscode at 5:50 I have a question, what are the rules those rows are sorted, because Fernanda should be at first position as it has id = 1 and it's already first on person table?

djslimcodes
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I have a question, can i joining more than two tables such as three or four in the same time?, if i can pls show query

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