TDBFeature Enumeration
Identifies an optional capability that a database engine may or may not support.
Syntax
Unit: Aurelius.Sql.Interfaces
Members
| Name | Value | Description |
|---|---|---|
| Sequences | 0 | The database supports named sequences for generating unique integer values. |
| AutoGenerated | 1 | The database supports auto-generated (identity/autoincrement) integer columns. |
| ForeignKeys | 2 | The database supports DDL-level foreign key constraints. |
| AlterTableForeignKey | 3 | The database supports adding foreign key constraints to existing tables via ALTER TABLE. |
| DropUniqueKey | 4 | The database supports dropping unique key constraints by name. |
| RetrieveIdOnInsert | 5 | The database can return the generated primary key value immediately after an INSERT statement. |
| Schemas | 6 | The database supports named schemas to qualify table names. |
| NestedJoins | 7 | The database supports nested JOIN expressions in FROM clauses. |