SQL Operators: SQL has different types of operators such as Arithmatic, Bitwise, Comparison, Compound, and Logical operators.Wildcard: Wildcard characters are used with the LIKE operator to search for a specified pattern in a column.Aggregator Functions: Aggregate functions perform calculations on a set of values and return a single value.Group By: The GROUP BY clause is used to group rows with the same values in specified columns into aggregated data.