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The table below lists all the operators provided by DevExpress Data Library.
|AggregateOperand||An aggregate operator which calculates aggregate expressions (MIN, MAX, SUM, etc.)|
|BetweenOperator||An operator which determines whether a criteria expression lies between the specified range of values.|
|BinaryOperator||A logical expression which consists of a BinaryOperatorType operation between two operands.|
|ContainsOperator||An operator which checks if a collection contains at least one object matching a specific criteria.|
|FunctionOperator||A function operator based on a FunctionOperatorType.|
|GroupOperator||A logical expression which groups two or more operands with a logical AND or OR.|
|InOperator||An operator which determines if a value matches any value in a specified list.|
|JoinOperand||An operator that joins persistent objects on a specified condition, and calculates aggregate functions against matching objects.|
|UnaryOperator||An unary operator which performs an operation on only one expression.|
|OperandProperty||An object property operand in criteria expressions.|
|OperandValue||A value operand in criteria expressions.|
|ConstantValue||A constant value operand in criteria expressions.|