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I have seen SQL that uses both != and <> for not equal. What is the preferred syntax and why?
I like !=, because <> reminds me of Visual Basic.
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If != and <> both are the same, which one should be used in SQL queries? Here is the answer – You can use either != or <> both in your queries as both technically same but I prefer to use <> as that is SQL-92 standard.
Difference between SQL Not Equal Operator <> and != to do inequality test between two expressions. Both operators give the same output. The only difference is that '<>' is in line with the ISO standard while '!= ' does not follow ISO standard.
Compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand is not equal to the right operand; otherwise, the result is FALSE.
!= is a binary operator that returns true if its two arguments are not equal to each other. NOT is a unary operator, which reverses its argument, a Boolean expression.
Most databases support != (popular programming languages) and <> (ANSI).
Databases that support both != and <>:
!= and <> != and <> != and <> != and <> != and <> != and <> != and <> != and <> != and <> != and <> Databases that support the ANSI standard operator, exclusively:
<> <>
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answered Oct 06 '22 15:10
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