| Name | Description |
|---|---|
| DatabaseSchema | |
| DatabaseSchema.CurrentSchema | Groups last loaded schema with when it was loaded and any errors that occured during loading, this makes it atomic. |
| DatabaseSchema.ProgramDefinitionData | Holds data for a program definition as it's read. |
| DatabaseSchema.TableDefinitionData | Holds data for a table definition as it's read. |
| Difference | |
| SqlMetaType | |
| SqlTableType | Extends SqlType to store column information for table types. |