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Normally I would use !=, then when I saw this sign <> it means not equal to as well.
After that, I went to search on Google, what's the difference between <> and !=. But I could not find the answer.
Anyone care to explain?
484
!= functions the same as the <> (Not Equal To) comparison operator.
Not Equal Operator: != Evaluates both SQL expressions and returns 1 if they are not equal and 0 if they are equal, or NULL if either expression is NULL. If the expressions return different data types, (for instance, a number and a string), performs type conversion.
!= will only check value regardless of operands type. but !== is used to compare both value & type of 2 operands that are being compared to each other.
The == and === operators are used to check the equality of two operands. The != and !== operators are used to check the inequality of two operands.
<> has a higher precedence than !=. Otherwise they're identical.
77
There is no difference. Some languages use <> and some use !=, and some like PHP allow both.
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