|
|
|
|
|
|
|
|
|
|
- Overview
- Searching a data file without a key
- Searching a data file with a key
Browsing the HFSQL data files
The "Key" items are used to organize the records in a data file in order to optimize the browse or the search.
Searching a data file without a key All the records are read to find the sought record.
Searching a data file with a key The use of a key allows you to create an INDEX. The index gives direct access to the sought record.
This page is also available for…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|