troubleshooting Question

sum by grouping Oracle

Avatar of mikensu12
mikensu12 asked on
Microsoft SQL ServerOracle DatabaseMySQL Server
4 Comments1 Solution512 ViewsLast Modified:
a           b    
608679      750
608679      1825
616953      750
616953      1825
620101      0
620101      250

so the sum should be

sum(b)        a
2575         608679
2575         616953  
250           620101
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