A cursor is an instance of the class
IldRequest. Although this name is currently used in Rogue Wave DB Link manuals, it is not fully appropriate: an
IldRequest object is actually used to handle any SQL statement whether it needs a cursor or not.
The function
IldDbms::getFreeRequest registers a newly created cursor in its cursor array. When a cursor is deleted—either explicitly using the
delete operator or implicitly on disconnection—the corresponding connection is notified of the cursor disappearance.
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