A SQL statement can query our database by using an operator, which is a reserved term or character. We utilise a WHERE clause to make an operator-based database query. The use of operators, which serve as a connector between two or more conditions, is required when defining a condition in SQL.

Arithmetic, Bitwise, Comparison, Compound, Logical and String.

An operator is a reserved word or character that is utilized in a SQL expression to query our database. A WHERE clause is used to query a database using operators. Operators are required to define a condition in SQL because they serve as a link between two or more conditions.