Database
RemoveConnection
Remove a saved Connection
Calling Sequence
Parameters
Description
Examples
RemoveConnection( name, opts )
name
-
string; the identifier for the connection to remove
opts
(optional) an equation of the form filename=string
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 ).
Create a connection.
driver≔DatabaseLoadDriver⁡:
conn≔driver:-OpenConnection⁡url,name,pass:
Save the connection to disk using the default file and the default identifier.
conn:-Save⁡filename=connection.con:
Close the connection.
conn:-Close⁡;driver:-Close⁡
Remove this connection.
Database:-RemoveConnection⁡default,filename=connection.con:
Attempt to re-establish the connection saved as default.
DatabaseLoadConnection⁡password=hidden,filename=connection.con:
Error, (in Database:-LoadConnection) no entry named "default" found in connection.con
See Also
Database[Connection]
Database[Connection][GetOptions]
Database[Connection][Save]
Database[Connection][SetOptions]
Database[Driver]
Database[LoadConnection]
Database[usage]
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