Oracle 數據空值行位於查詢結果的最前面或者最後面

1，排在最前面用order by name nulls first;

eg：select t.name,t.code from table t where t.code!='1' order by name nulls first;

2，排在最後面order by name nulls last;

eg：select t.name,t.code from table t where t.code!='1' order by name nulls last;