my question concerns the amount of memory the results of a data query occupies in lasr as opposed to the tables being loaded to lasr. example i have 2 tables in lasr (customer information, sales detail data by day) for example sake, lets say the customer is 500 meg in lasr and the sales detail is 500 meg in memory each of the 2 tables stands alone in lasr and occupies in memory space in lasr ( 1 gig) if i join these tables using the "Data Preparation Tool" to create a 3rd table of sales by customer, does the 3rd table occupy more than the physical memory space occupied by the individual tables? (at least another gig of memory) or is this type of join more "logical" whereas this is a virtual join and does not consume lasr memory in proportion to the physical tables. thx
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