第一种尝试:
proc sql;
delete
from peter.myworld
where _n_=7;
quit;
136 proc sql;
137 delete
138 from peter.myworld
139 where _n_=7;
ERROR: The following columns were not found in the contributing tables: _n_.
140 quit;
NOTE: The SAS System stopped processing this step because of errors.
NOTE: PROCEDURE SQL used (Total process time):
real time 0.01 seconds
cpu time 0.01 seconds
第二种尝试:
proc sql;
delete
from peter.myworld
where noobs=7;
quit;
141 proc sql;
142 delete
143 from peter.myworld
144 where noobs=7;
ERROR: The following columns were not found in the contributing tables: noobs.
145 quit;
NOTE: The SAS System stopped processing this step because of errors.
NOTE: PROCEDURE SQL used (Total process time):
real time 0.00 seconds
cpu time 0.00 seconds
还有一个小疑惑就是,sas怎么会说找不到columns?



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