`SELECT * FROM Customers WHERE Country=‘Mexico’

  • Often used with SELECT, UPDATE, DELETE, etc

SELECT * FROM Customers WHERE CustomerID > 80;

=Equal
>Greater than
<Less than
>=Greater than or equal
Less than or equal
<>Not equal. Note: In some versions of SQL this operator may be written as !=
BETWEENBetween a certain range
LIKESearch for a pattern
INTo specify multiple possible values for a column

SQL Intro and https://www.w3schools.com/sql/sql_quickref.asp