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SQL Basics

See the whole table
Select some columns
Filtering rows
7. The not equal sign (!=)
Logic
Text patterns
To be or NULL to be
A little bit of mathematics
Let's practice

Instruction

Fantastic! There is one more very important conditional operator, the inequality sign (!= or sometimes <>). Look at the example:

SELECT *
FROM user
WHERE age != 18;

See how easy it is? We've used the inequality sign (!=) to select all users who aren't 18.

Exercise

Select all columns for those cars which weren't produced in 1999.

Stuck? Here's a hint!

Type:

SELECT *
FROM car
WHERE production_year != 1999;