從表中選擇具有不同值的列

Question

我有一個包含這些列 ID，姓名，工作 我要的是從該表

在表

選擇每個不同作業的一個記錄表

ID NAME JOB 
1 Juan Janitor 
2 Jun Waiter 
3 Jani Janitor 
4 Jeni Bartender 

到這樣的事情

ID NAME JOB 
1 Juan Janitor 
2 Jun Waiter 
4 Jeni Bartender 

使用不同的可以讓我選擇一個不同的列，但我要發選擇表中的每一列，任何一個有一個想法如何？

Answer 1

你可以試試這個

SELECT ID, NAME,JOB FROM 
(
SELECT ID, NAME,JOB,Row_Number() Over (Partition BY NAME Order By ID) AS RN FROM `table1` 
) AS T 

WHERE RN = 1 

Answer 2

- 僅抓取RNK = 1條記錄，從而獲得所需的輸出

SELECT ID,Rank() Over(Partition By Job Order By ID) As Rnk, Name,JOB 
From EMP 

Answer 3

SELECT MIN(ID), NAME, JOB FROM `table` 
Group by NAME, JOB 

Answer 4

SELECT ID, NAME,JOB FROM 
(
    SELECT ID,Rank() Over(Partition By Job Order By ID) As jobRank, Name,JOB from #abhi 
) AS TTable 

WHERE jobRank = 1