LispWorks User Guide and Reference Manual > 19 Common SQL > 19.2 Initialization

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19.2.2 Database classes

A connection to a database is represented by a CLOS instance which holds information about the connected database. The special variable *default-database* holds the current connection. The database class is subclassed on both vendor and version to provide the right kind of specialized behavior across database facilities: for example, the transaction model or the "brand" of SQL.


LispWorks User Guide and Reference Manual - 22 Dec 2009

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