| DQAbstractModel | Abstract Data Model |
| DQBaseField | The base class of DQField |
| DQBaseIndex | The based class of DQIndex |
| DQClause | The clause of a column definition |
| DQConnection | Connection to QSqlDatabase |
| DQField< T > | Database field |
| DQForeignKey< T > | Foreign key field |
| DQIndex< T > | SQL Indexing information |
| DQList< T > | Storage of a list of model item instance |
| DQListWriter | DQListWriter is a utility class to create the content on DQList object |
| DQModel | Database model class |
| DQModelMetaInfo | The meta info of a database model |
| DQPrimaryKey | Primary key field |
| DQQuery< T > | DQQuery is a template class for performing database queries and record deletion on specific model |
| DQSharedList | DQSharedList is the base class of DQList |
| DQSharedQuery | DQSharedQuery is the base class of DQQuery that support implicitly data sharing |
| DQSql | A helper class for SQL statement exeuction |
| DQStream | DQStream class provides a stream interface for reading and writing data model field |
| DQWhere | The filter rules |
1.7.1
