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This Concept Map, created with IHMC CmapTools, has information related to: 07UnionOperation, Scan both tables sequentially (while both tables are not exhausted) left < right Output the left table record advance the left table pointer, Add the remaining left table records if any ???? Add the remaining right table records if any, Sort the left table R ???? Sort the right table S, Sort the right table S ???? Scan both tables sequentially (while both tables are not exhausted), Scan both tables sequentially (while both tables are not exhausted) left = right Ignore the right table record advance the right table pointer, Scan both tables sequentially (while both tables are not exhausted) ???? Add the remaining left table records if any, Scan both tables sequentially (while both tables are not exhausted) left > right Output the right table record advance the right table pointer
