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We can also join a table against itself #109#115

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oldoc63 merged 1 commit intomainfrom
selfJoin
Dec 30, 2021
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We can also join a table against itself #109#115
oldoc63 merged 1 commit intomainfrom
selfJoin

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@oldoc63 oldoc63 commented Dec 30, 2021

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@oldoc63 oldoc63 merged commit f666a69 into main Dec 30, 2021
@oldoc63 oldoc63 deleted the selfJoin branch December 30, 2021 15:35
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oldoc63 commented Dec 30, 2021

  • Here we have relabeled the weather table as W1 and W2 to be able to distinguish the left and right side of the join. You can also use these kinds of aliases in other queries to save some typing, e.g.:

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