#selfjoin — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #selfjoin, aggregated by home.social.
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Self-Join with Aliases Trap?!
Self-joins need DIFFERENT aliases! Same table, different names. The join condition creates relationships within the same table. This will confuse you!
#sql #sqltricks #selfjoin #aliases #tablealiases #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #joins #advancedsql