如何結合兩個數字字段？

Question

如何將兩個int列合併爲一個。

My table1 is as follows: 
name adress1 adress2 
hhh 1  2 
www 2  3 

我想結果如下：

name columnz 
hhh 12 
www 23 

Answer 1

SELECT name, CAST(ADRESS1 AS VARCHAR(20)) + CAST(ADRESS2 AS VARCHAR(20)) AS columnz from table1 

Answer 2

在即將到來的SQL服務器，你可以這樣做：

SELECT名字，CONCAT（地址1，地址） as columnz FROM table1

但是，SQL服務器不允許concat，所以你可以使用'+'運算符和一個強制轉換。

SELECT 
    name 
    ,CAST(address1 AS char)+CAST(address2 AS char) as columnz 
FROM table1 

SQL對於字符串和數字之間的區別並不麻煩。

另一種選擇是：

SELECT name, (address1*10+address2) as columnz 
FROM table1 

Answer 3

試試這個：

SELECT name, Concat(adress1, adress2) AS columnz FROM table1; 

Answer 4

select name, convert(varchar, adress1) + convert(varchar, adress2) as columnz from table1;