sql - Oracle PLSQL merge records within temporary table -


i have procedure in plsql fills temporary table. data looks following:

buyer_name  quantity   amount ------------------------------- john        10         1200 john        12         1310 alan        15         1450 alan        10         1200 john        20         2400

i need sum quantities , amount each buyer, remove existing data , fill table again such each buyer name comes once total quantity , amount.

i know can done if create temp table , transfer data through it. however, is there way can merge records within same temporary table (and within same session)?

it sounds problem here initil pl/sql procedure fills table. why not modify well? suspect answer makes use of pl/sql -- if so, make every effort convert sql instead, or turn pipelined function can select , aggregate output of.

that aside, aggregate result different table. assume these global temporary tables, there not overhead in doing direct path insert gtt more efficient modifying table in place.


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