[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] |
Database access layer
uses |
Variants, |
FmtBCD, |
MaskUtils; |
The db unit provides the basis for all database access mechanisms. It introduces abstract classes, on which all database access mechanisms are based: TDataset representing a set of records from a database, TField which represents the contents of a field in a record, TDatasource which acts as an event distributor on behalf of a dataset and TParams which can be used to parametrize queries. The databases connections themselves are abstracted in the TDatabase class.