| Name | Description | Type | Package | Framework |
| ODefaultQueryOperatorFactory | Default operator factory. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OIndexReuseType | enum OIndexReuseTypeRepresents hint how index can be used to calculate result of operator execution. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperator | Query Operators. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperator .ORDER | Used when this operator must be after the other oneUsed when this operator must be before the other one | Class | com.orientechnologies.orient.core.sql.operator.OQueryOperator | Orientdb |
| OQueryOperatorAnd | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorBetween | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorContains | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorContainsAll | CONTAINS ALL operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorContainsKey | CONTAINS KEY operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorContainsText | CONTAINSTEXT operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorContainsValue | CONTAINS KEY operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorDivide | DIVIDE "/" operator. | Class | com.orientechnologies.orient.core.sql.operator.math | Orientdb |
| OQueryOperatorEquality | Base equality operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorEqualityNotNulls | Base equality operator that not admit NULL in the LEFT and in the RIGHT operands. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorEquals | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorFactory | Factory to register new OqueryOperators. | Interface | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorIn | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorInstanceof | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorIs | IS operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorLike | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorMajor | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorMajorEquals | MAJOR EQUALS operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorMatches | MATCHES operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorMinor | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorMinorEquals | MINOR EQUALS operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorMinus | Class | com.orientechnologies.orient.core.sql.operator.math | Orientdb | |
| OQueryOperatorMod | Class | com.orientechnologies.orient.core.sql.operator.math | Orientdb | |
| OQueryOperatorMultiply | MULTIPLY "*" operator. | Class | com.orientechnologies.orient.core.sql.operator.math | Orientdb |
| OQueryOperatorNot | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorNotEquals | NOT EQUALS operator. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |
| OQueryOperatorOr | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryOperatorPlus | Class | com.orientechnologies.orient.core.sql.operator.math | Orientdb | |
| OQueryOperatorTraverse | Class | com.orientechnologies.orient.core.sql.operator | Orientdb | |
| OQueryTargetOperator | Operator that filters the target records. | Class | com.orientechnologies.orient.core.sql.operator | Orientdb |