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:- use_module(library(odbc)).(can be autoloaded)
aliasoption is used. In addition to the options below, options applicable to odbc_set_connection/2 may be provided.
once(default if an
aliasis provided), a second call to open the same DSN simply returns the existing connection. If
multiple(default if there is no alias name), a second connection to the same data-source is opened.
true, use Microsoft SQL server 2005 mars mode. This is support for multiple concurrent statements on a connection without requiring the dynamic cursor (which incurs an astounding 20-50x slowdown of query execution!!). MARS is a new feature in SQL2k5 apparently, and only works if you use the native driver. For the non-native driver, specifying that it is enabled will have absolutely no effect.
'3.0'. The other supported value is
The following example connects to the WordNet1An
SQL version of WordNet is available from http://wordnet2sql.infocity.cjb.net/
 database, using
the connection alias
wordnet and opening the connection
open_wordnet :- odbc_connect('WordNet', _, [ user(jan), password(xxx), alias(wordnet), open(once) ]).