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 |
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CLOSE DATABASES OPEN DATABASE (HOME(2) + 'Data\testdata') CLEAR ? 'Testdata database open? ' ?? DBUSED('testdata') && Displays .T. ? 'Test database open? ' ?? DBUSED('test') && Displays .F. |