Many SDAC classes are inherited from standard VCL/LCL classes. The inheritance hierarchy chart for SDAC is shown below. The SDAC classes are represented by hyperlinks that point to their description in this documentation. A description of the standard classes can be found in the documentation of your IDE.
TObject
|—TPersistent
|—TComponent
|—TCustomConnection
| |—TMSConnection
|—TDataSet
| |—TMemDataSet
| |—TCustomDADataSet
| | |—TCustomMSDataSet
| | |—TMSQuery
| | |—TCustomMSTable
| | | |—TMSTable
| | |—TCustomMSStoredProc
| | | |—TMSStoredProc
| | |—TMSMetaData
| |—TVirtualTable
| |—TMSTableData
|—TDataSource
| |—TCRDataSource
| |—TMSDataSource
| |—TMSSQL
| |—TMSSQLMonitor
| |—TMSConnectDialog
| |—TMSLoader
|—TDADump
| |—TMSDump
| |—TMSScript
| |—MSDataAdapter
|—TField
| |—TMSUDTField
| |—TMSXMLField