Difference between revisions of "DBUSED()"
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==Description== | ==Description== | ||
The DBUSED() function is used to check whether the database whose name is specified in <expC> is open. If the database is open, DBUSED() returns True (.T.), if not it returns False (.F.). | The DBUSED() function is used to check whether the database whose name is specified in <expC> is open. If the database is open, DBUSED() returns True (.T.), if not it returns False (.F.). | ||
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==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| − | + | open database hr exclusive | |
? dbused("hr") | ? dbused("hr") | ||
.T. | .T. | ||
| − | + | close databases | |
</code> | </code> | ||
| Line 25: | Line 23: | ||
[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:Databases]] | [[Category:Databases]] | ||
| − | [[Category: | + | [[Category:Cursor Functions]] |
Revision as of 06:50, 4 February 2013
Contents
Purpose
Function to check whether a database is open.
Syntax
DBUSED(<expC>)
See Also
ADATABASES(), ADIR(), ALIAS(), CLOSE DATABASES, COPY DATABASE, DATABASE(), DBF(), DISPLAY SCHEMAS, DISPLAY STATUS, GETENV(), LIST SCHEMAS, LIST STATUS, OPEN DATABASE, SET FILECASE, SET SQL, USE, USED()
Description
The DBUSED() function is used to check whether the database whose name is specified in <expC> is open. If the database is open, DBUSED() returns True (.T.), if not it returns False (.F.).
Example
open database hr exclusive ? dbused("hr") .T. close databases
