__DBZAP()
Remove all records from the current database file
- Syntax
- __DbZap() -> NIL
- Returns
- __DbZap() will always return nil
- Description
- __DbZap( is a database command that permanently removes all records from files open in the current work area. This includes the current database file, index files, and associated memo file. Disk space previously occupied by the ZAPped files is released to the operating system. __DbZap() performs the same operation as DELETE ALL followed by PACK but is almost instantaneous.
- To ZAP in a network environment, the current database file must be USEd EXCLUSIVEly.
- Examples
- This example demonstrates a typical ZAP operation in a network
- environment:
- USE Sales EXCLUSIVE NEW
- IF !NETERR()
- SET INDEX TO Sales, Branch, Salesman
- __dbZAP()
- CLOSE Sales
- ELSE
- ? "Zap operation failed"
- BREAK
- ENDIF
- Status
Ready
- Compliance
- This function is CA Clipper compliant
- Files
- Library is rdd