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A comment on Handling Null Values in Postgres. Parent comment

Re:Handling Null Values in Postgres by ibrar74 on Friday March 06, 2020 @12:43PM (#22505580)
It is valid syntax, you are comparing an "x" with "no value" and result will be "no value"
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Re:Handling Null Values in Postgres by mcdoker18 on Saturday March 07, 2020 @12:14PM (#22512651)
I know that it's a valid expression, but are there any use cases for it?
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