SQL: What's the difference between '=' and 'is'?
47887
NULL values in where clause
127800
SQL: Using NULL values vs. default values
36929
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
151825
Is there any difference between "foo is None" and "foo == None"?
15097
Is there any difference between IS NULL and =NULL
5528
Difference between $:=$ and $=$
69801
What does it mean when ST_Equals returns false and `=` returns true?
41368
How can I make SQL case sensitive string comparison on MySQL?
134742
String comparison in Python: is vs. ==
144910
Inadvertent use of = instead of ==
16038
C# 'is' operator performance
32293
What's the difference between if(!$variable) and if(isset($variable))?
50416
What does the >?= operator mean?
120580
What does "=>" mean in PHP?
26718
"is" vs "are" when followed by a number
147065
In Oracle, is starting the SQL Query's WHERE clause with 1=1 useful?
4419
"is" operator behaves unexpectedly with integers