SQL查詢查找具有兩個's'字符的行

Question

如何編寫一個將從表（命名爲'emp'）返回行的SQL查詢，其中字段'job'正好具有兩個''字符數據。

Answer 1

select * 
from emp 
where job like '%s%s%' 

Answer 2

select job 
from emp 
where job like '%s%s%' 

Answer 3

試試這個

SELECT * FROM your_Table 
WHERE (LENGTH(Field) - LENGTH(REPLACE(Field, 's', '')) = 2 

Answer 4

select jobs 
from emp 
where job like '%s%s%' 

Answer 5

SELECT * 
    FROM emp 
WHERE job LIKE '%s%s%' 
EXCEPT 
SELECT * 
    FROM emp 
WHERE job LIKE '%s%s%s%';