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What does the <> sign mean in MySQL? I saw it in a query, and could not understand what it is.
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MySQLi For Beginners The symbol <> in MySQL is same as not equal to operator (!=). Both gives the result in boolean or tinyint(1). If the condition becomes true, then the result will be 1 otherwise 0.
Here is the answer – Technically there is no difference between != and <>. Both of them work the same way and there is absolutely no difference in terms of performance or result.
It means not equal, so these two are equivalent
a != b
a <> b
Use != operator instead. <> is some oldy goldy way of operating NOT EQUAL TO.
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It means 'Not Equal' just as != means 'Not Equal'.
Literally the symbols mean less than and greater than. Since those two operators are mutually exclusive, putting them together is an impossibility and therefore, NOT EQUAL.
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