What does := means in MySQL?

What does this symbol mean in MySQL?

MySQLi MySQLDatabase. 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.

What does <=> mean in MySQL?

<=> is MySQL's null-safe "equal to" operator. From the manual: NULL-safe equal. This operator performs an equality comparison like the = operator, but returns 1 rather than NULL if both operands are NULL, and 0 rather than NULL if one operand is NULL.

Can you use != In MySQL?

In MySQL, you can use the <> or != operators to test for inequality in a query. For example, we could test for inequality using the <> operator, as follows: SELECT * FROM contacts WHERE last_name <> 'Johnson';

What is meant by <>?

Yes, it means "not equal", either less than or greater than. e.g If x <> y Then. can be read as. if x is less than y or x is greater than y then. The logical outcome being "If x is anything except equal to y"