Update Table With Info In Other Table
i have a case like this:
table table1 (key, accumulator)
table table2 (key, counter)
i want to, for each table1.key = table2.key, update accumulator with the info in counter, something like this:
update table1 set accumulator=accumulator+table2.counter where (? counter is the value related with the same key as the one in table1)
how do you write a sentence like this one?
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