1)查询语句
select id,rank from rs2qtbtc ;
结果:
id rank
1 0
2 1
3 2
4 3
2)查询语句
select id,rank,decode(id,4,0,1) orders from rs2qtbtc order by orders,rank;
结果:
id rank orders
4 3 0
1 0 1
2 1 1
3 2 1
1)查询语句
select id,rank from rs2qtbtc ;
结果:
id rank
1 0
2 1
3 2
4 3
2)查询语句
select id,rank,decode(id,4,0,1) orders from rs2qtbtc order by orders,rank;
结果:
id rank orders
4 3 0
1 0 1
2 1 1
3 2 1