1. summary Encapsulates a connection to a database.

Instantiation methods

• *constructor* `Create(driver : String; parameters : array of String = nil)`
• *destructor* `Close`

Transaction methods

• `BeginTransaction`/`StartTransaction`
• `Commit`
• `Rollback`
• `InTransaction : Boolean`

Query methods

• `Exec(sql : String; parameters : array of variant)`
• `Query(sql : String; parameters : array of variant) :` [DataSet]