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RemoveConnection - Maple Help
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Database

RemoveConnection

Remove a saved Connection

Calling Sequence

RemoveConnection( name, opts )

Parameters

name

-

string; the identifier for the connection to remove

opts

-

(optional) an equation of the form filename=string

Description

RemoveConnection deletes the connection associated with identifier name from a file of connections created with calls to Save .

RemoveConnection requires that an identifier be specified. This differs from Save and LoadConnection . These functions assume an identifier of "default" if one is not given.

RemoveConnection accepts one optional argument.

filename = string

used to specify the file from which this connection is removed. When no filename is given, connections will be loaded from "$HOME/maple/toolbox/Database/data/default.con", where $HOME is the value returned by kernelopts ( homedir ).

Examples

Create a connection.

>

driverDatabaseLoadDriver:

>

conndriver:-OpenConnectionurl,name,pass:

Save the connection to disk using the default file and the default identifier.

>

conn:-Savefilename=connection.con:

Close the connection.

>

conn:-Close;driver:-Close

Remove this connection.

>

Database:-RemoveConnectiondefault,filename=connection.con:

Attempt to re-establish the connection saved as default.

>

DatabaseLoadConnectionpassword=hidden,filename=connection.con:

Error, (in Database:-LoadConnection) no entry named "default" found in connection.con


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