Allocates resources and creates field components for a dataset.
procedure Prepare; virtual;
Call the Prepare method to allocate resources and create field components for a dataset. To learn whether dataset is prepared or not use the Prepared property.
The UnPrepare method unprepares a query.
Note: When you change the text of a query at runtime, the query is automatically closed and unprepared.
The Prepare method is called automatically by the Open method if the dataset is not prepared.