| rank | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow |
| RawColumn | Database.Relational.SqlSyntax |
| Record | Database.Relational.SqlSyntax, Database.Relational.Record, Database.Relational, Database.Relational.Arrow |
| record | Database.Relational.SqlSyntax |
| recordConfig | Database.Relational.Config, Database.Relational, Database.Relational.Arrow |
| RecordList | Database.Relational.Record, Database.Relational, Database.Relational.Arrow |
| recordRawColumns | Database.Relational.SqlSyntax |
| recordWidth | |
| 1 (Function) | Database.Relational.SqlSyntax |
| 2 (Function) | Database.Relational.Table |
| Register | |
| 1 (Type/Class) | Database.Relational.Monad.Register, Database.Relational |
| 2 (Type/Class) | Database.Relational.Arrow |
| reifyRelation | Database.Relational.TH |
| Relation | Database.Relational.Monad.BaseType, Database.Relational, Database.Relational.Arrow |
| relation | |
| 1 (Function) | Database.Relational.Relation, Database.Relational |
| 2 (Function) | Database.Relational.Arrow |
| relation' | |
| 1 (Function) | Database.Relational.Relation, Database.Relational |
| 2 (Function) | Database.Relational.Arrow |
| relationalQuery | Database.Relational.Type, Database.Relational, Database.Relational.Arrow |
| relationalQuery' | Database.Relational.Type, Database.Relational, Database.Relational.Arrow |
| relationalQuerySQL | Database.Relational.Type, Database.Relational, Database.Relational.Arrow |
| relationVarExp | Database.Relational.TH |
| relationVarName | Database.Relational.Config, Database.Relational, Database.Relational.Arrow |
| relationWidth | Database.Relational.Monad.BaseType, Database.Relational, Database.Relational.Arrow |
| Restrict | Database.Relational.Monad.Restrict, Database.Relational, Database.Relational.Arrow |
| restrict | Database.Relational.Monad.Class, Database.Relational, Database.Relational.Arrow |
| RestrictedStatement | |
| 1 (Type/Class) | Database.Relational.Monad.Restrict |
| 2 (Type/Class) | Database.Relational.Arrow |
| Restrictings | Database.Relational.Monad.Trans.Restricting |
| restrictings | Database.Relational.Monad.Trans.Restricting |
| Restriction | Database.Relational.Effect, Database.Relational, Database.Relational.Arrow |
| restriction | Database.Relational.Effect, Database.Relational, Database.Relational.Arrow |
| restriction' | Database.Relational.Effect, Database.Relational, Database.Relational.Arrow |
| restrictJoin | Database.Relational.Monad.Class |
| restrictProduct | Database.Relational.SqlSyntax |
| right | Database.Relational.Set, Database.Relational, Database.Relational.Arrow |
| right' | Database.Relational.Set, Database.Relational, Database.Relational.Arrow |
| rightPh | Database.Relational.Monad.BaseType, Database.Relational, Database.Relational.Arrow |
| Rollup | Database.Relational.SqlSyntax |
| rollup | |
| 1 (Function) | Database.Relational.Monad.Trans.Aggregating, Database.Relational |
| 2 (Function) | Database.Relational.Arrow |
| rowNumber | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow |
| runQueryConfig | Database.Relational.Monad.Trans.Config |