SELECT ID,Name,Class ROW_NUMBER() OVER(PARTITION BY Class ORDER BY ID) as NUM FROM TAB_NAME WHERE NUM <10
Rownum is mainly used inside the PARTITION BY function uses class grouping, id sorting. Before each group query 9
SELECT ID,Name,Class ROW_NUMBER() OVER(PARTITION BY Class ORDER BY ID) as NUM FROM TAB_NAME WHERE NUM <10
Rownum is mainly used inside the PARTITION BY function uses class grouping, id sorting. Before each group query 9