11. A program product, comprising: program code configured to process a database query by retrieving a cached access plan for the database query, the access plan including look ahead predicate generation information; and determining whether to perform look ahead predicate generation for the database query based upon the look ahead predicate generation information in the access plan; and a recordable computer readable medium bearing the program code.
11. A program product, comprising: program code configured to process a database query by retrieving a cached access plan for the database query, the access plan including look ahead predicate generation information; and determining whether to perform look ahead predicate generation for the database query based upon the look ahead predicate generation information in the access plan; and a recordable computer readable medium bearing the program code. 13. The apparatus of claim 11 , wherein the program code is configured to update the look ahead predicate generation information in the cached access plan based upon at least one change in the way look ahead predicate generation is used to process the database query.