Sometimes in the world of legacy enterprise systems you're tasked with what sounds exactly like a problem on Code Signal or similar platforms. The ...
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you can have it shorter too
nvl(table1.letter, table2.letter) = table2.letter
That's much more succinct! Thanks for sharing!
You know, I also was searching for the right way for working with SQL JOINS and have tried various solutions. I think SQL Complete is a pretty good tool
The power of SQL demonstrated. Good work!
Good solution. Just what I was looking for
THANKS :)