Index - D
| day | Rel8.Expr.Time |
| days | Rel8.Expr.Time |
| DBComposite | Rel8 |
| DBEnum | Rel8 |
| DBEq | Rel8 |
| DBFloating | Rel8 |
| DBFractional | Rel8 |
| DBIntegral | Rel8 |
| DBMax | Rel8 |
| DBMin | Rel8 |
| DBMonoid | Rel8 |
| DBNum | Rel8 |
| DBOrd | Rel8 |
| DBSemigroup | Rel8 |
| DBString | Rel8 |
| DBSum | Rel8 |
| DBType | Rel8 |
| decode | |
| 1 (Function) | Rel8 |
| 2 (Function) | Rel8.Expr.Text |
| decompose | Rel8 |
| DeconstructADT | Rel8 |
| deconstructADT | Rel8 |
| DeconstructHKD | Rel8 |
| deconstructHKD | Rel8 |
| Default | Rel8 |
| Delete | |
| 1 (Type/Class) | Rel8 |
| 2 (Data Constructor) | Rel8 |
| delete | Rel8 |
| desc | Rel8 |
| descTable | Rel8 |
| diffDays | Rel8.Expr.Time |
| difference | Rel8.Tabulate |
| diffTime | Rel8.Expr.Time |
| distinct | Rel8 |
| distinctOn | Rel8 |
| distinctOnBy | Rel8 |
| distinctTabulation | Rel8.Tabulate |
| div | Rel8.Expr.Num |
| DoNothing | Rel8 |