ORDER BY Example

In the following sample query, the retrieved rows are first ordered by supplier number, and then by descending part number order -- within the same supplier number grouping.

SELECT sno, pno, qty
FROM partsupp
  ORDER BY sno, pno DESC

The query results are as follows:

sno	pno	qty
S1	P6	100
S1	P5	100
S1	P4	200
S1	P3	400
S1	P2	200
S1	P1	300
S2	P2	400
S2	P1	300
S3	P2	200
S4	P5	400
S4	P4	300
S4	P2	200

sno	pno	qty
S1	P6	100
S1	P5	100
S1	P4	200
S1	P3	400
S1	P2	200
S1	P1	300
S2	P2	400
S2	P1	300
S3	P2	200
S4	P5	400
S4	P4	300
S4	P2	200

sno	pno	qty
S1	P6	100
S1	P5	100
S1	P4	200
S1	P3	400
S1	P2	200
S1	P1	300
S2	P2	400
S2	P1	300
S3	P2	200
S4	P5	400
S4	P4	300
S4	P2	200

sno	pno	qty
S1	P6	100
S1	P5	100
S1	P4	200
S1	P3	400
S1	P2	200
S1	P1	300
S2	P2	400
S2	P1	300
S3	P2	200
S4	P5	400
S4	P4	300
S4	P2	200