Tsql 指定列名以选择不带临时表的语句结果
请看以下代码:Tsql 指定列名以选择不带临时表的语句结果,tsql,select,alias,Tsql,Select,Alias,请看以下代码: DECLARE @bufferOrder INT = 1, @capacityOrder INT = 2, @priceOrder INT = 3, @angleSpeedOrder INT = 4 SELECT 'buffer', @bufferOrder UNION SELECT 'capacity', @capacityOrder UNION SELECT 'price', @priceOrder UNION SELECT 'a
DECLARE @bufferOrder INT = 1, @capacityOrder INT = 2, @priceOrder INT = 3, @angleSpeedOrder INT = 4
SELECT 'buffer', @bufferOrder
UNION
SELECT 'capacity', @capacityOrder
UNION
SELECT 'price', @priceOrder
UNION
SELECT 'angle_speed', @angleSpeedOrder
我可以在不使用临时表的情况下指定两个列名吗
[INSERT INTO @#tempTabel (columnName1,columnName2) + above code]
以这样的方式(伪代码):
只需在第一个select语句中指定列名。例如:
declare @int int = 1, @int2 int = 2, @int3 int = 3, @int4 int = 4;
select 'thing 1' as thing, @int as integer
union
select 'thing 2', @int2
union
select 'thing 3', @int3
我可以很容易地添加更多的东西。列名是在第一个select语句中定义的,除非更改为别名,否则列名将保持这种状态
declare @int int = 1, @int2 int = 2, @int3 int = 3, @int4 int = 4;
select 'thing 1' as thing, @int as integer
union
select 'thing 2', @int2
union
select 'thing 3', @int3