| Leaf | Database.Relational.SqlSyntax | 
| left | Database.Relational.Set, Database.Relational, Database.Relational.Arrow | 
| left' | Database.Relational.Set, Database.Relational, Database.Relational.Arrow | 
| leftPh | Database.Relational.Monad.BaseType, Database.Relational, Database.Relational.Arrow | 
| liftQualify | Database.Relational.Monad.Class | 
| liftTargetAllColumn | Database.Relational.Effect, Database.Relational, Database.Relational.Arrow | 
| liftTargetAllColumn' | Database.Relational.Effect, Database.Relational, Database.Relational.Arrow | 
| like | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow | 
| like' | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow | 
| likeMaybe | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow | 
| likeMaybe' | Database.Relational.Projectable, Database.Relational, Database.Relational.Arrow | 
| list | Database.Relational.Record, Database.Relational, Database.Relational.Arrow | 
| LiteralSQL | Database.Relational.ProjectableClass, Database.Relational, Database.Relational.Arrow |