SQL 基于列条件查询

Question

I have a sql table in which below are the columns. I'm using sql server.

Id	name	isActive	device
1	Motorola	1	phone
1	Motorola	0	tablet

Need to have a SQL query for below scenario:

I want to display firstdevice , seconddevice columns below based on isActive column. If isACTIVE is 1 then, fill the device name in firstdevice column, if isActive is 0 then fill the device name in secondDevice .

Id	name	firstDevice	secondDevice
1	Motorola	phone	tablet

Answer 1

I assume you have only maximum 2 rows per id and name

select id, name, 
MAX(DECODE(isActive, 1, device)) AS firstDevice,
MAX(DECODE(isActive, 0, device)) AS secondDevice
from table
group by 
id, name;

Answer 2

select id, name, 
MAX(CASE when isActive = 1 then device end) AS firstDevice,
MAX(CASE when isActive = 0 then device end) AS secondDevice
from table
group by 
id, name