Answer Posted / venkatesh.layam

debugging is error identifier process.if you have any
errors in your programme it will display in log window
the errors are different type
syntaxal error
semantic errors
exection time errors
logical errors:which can not gives the error message but
the results are change dynamically.
macro debugging(by using mlogic mprint symbolgen)
>and can identify errors in the programme by using debug
option'/';

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data data1; input dt account; format dt date9.; cards; 1745 1230 1756 1120 1788 1130 1767 1240 ; data data2; input startdt enddt total; format startdt date9. enddt date9.; cards; 1657 1834 12300 1557 1758 16800 1789 1789 12300 1788 1345 12383 1899 1899 13250 ; proc sql; create table data3 as select * from data1 as x left join data2 as y on x.dt>=y.startdt and x.dt<=y.enddt; quit; Here, we are getting cartision product. But,I want left join report consisting of this program. It should not get duplicate values. you can modify the program also.

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