how to delete duplicate rows from a specified table(only
single table)
how do you know which join is need to be used
Answer Posted / lakshya
SELECT * FROM table_name
WHERE ROWID NOT IN (SELECT MIN(ROWID) FROM table_name GROUP
BY table_columns);
| Is This Answer Correct ? | 9 Yes | 8 No |
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how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc
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