Returns true (.T.) if the specified database is open.
DBUSED(cDatabaseName) |
Parameters
- cDatabaseName
- Specifies the name of the database for which DBUSED(В ) returns a logical value indicating whether or not the database is open.
Return Value
Logical
Remarks
DBUSED(В ) returns true (.T.) if the specified database is open; otherwise, it returns false (.F.).
Example
The following example opens the TESTDATA database, and then uses DBUSED(В ) to determine if the TESTDATA database and a database named TEST are open.
| В | Copy Code |
|---|---|
CLOSE DATABASES
OPEN DATABASE (HOME(2) + 'Data\testdata')
CLEAR
? 'Testdata database open? '
?? DBUSED('testdata') && Displays .T.
? 'Test database open? '
?? DBUSED('test') && Displays .F. | |
js editor
Web development