What does this character mean in an SQL query?

<>

What does this charac开发者_C百科ter mean when placed in an SQL query?

That's the SQL way of writing the not equal operator.

This means "not equal" operator in SQL query ieselect * from firstname <> 'james' this means give me all rows whose first name not equal to james

It's the SQL operator for "not equal", though many databases also provide the (non standard) != operator that means exactly the same.

this means 'Not Equal Operator.' ......!!!!!

Just as != in c and other languages. <> is for SQL

this operator means not equal ....

Not equal, i.e. Less than or greater than.