vba - How to perform calculations depending on multiple records in one table of Access database -


after consulting stackoverflow numerous times outsider, regarding excel vba issues, (and finding answer every instance; thank all!), have issue couldn't find existing question to. created own account.

currently working on new application involve lot of data (10k+ items, each item 20+ daily values, including 2 years of historical values), plan store them in access database (i chose access assuming easier exchange data between excel , access between excel , other database types). each day new values added each item (table in access). challenge want calculations on these data , store results in database. simple "calculated fiels" not work, want calculate values depending on multiple records (e.g. average of last 200 records (active record , 199 preceeding records, new additional value in active record)). want store these calculated values in database have them readily available when needed, opposed calculating them when requested (as calculating them require time instantaneously when depending values requested).

i new access , after searching lot on stackoverflow , internet haven't figured out yet quickest way perform these calculations. within access (how? can set e.g. access vba these new values automatically calculated when new "basic" data added new record of table?)? or have import basic data excel, calculations in excel , export new calculated values access (if so, fastest way export e.g. last 200 records of table access excel, , back?

if unclear please ask.

any appreciated!!


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