| Level | Ancestor | Description |
|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TSqlStatementExecutor | Abstract base class for a facility that executes a TSqlStatement |
| 3 | TSqlDatabase |
Abstract base class for connections to databases that can be queried using SQL statements.
|
| 4 | TLogicalSqlDatabase |
Abstract base class for TSqlDatabase implementations that manipulate or translate queries before they sent to an
actual physical TSqlDatabase.
|
| 5 | TCompatibilitySqlDatabase | Translates queries to increase compatibility with a specific SQL database. |
| 6 | TSqliteCompatibilityDatabase | |