Question

I am just a little confuse to how write the below query :

I have two tables

tbl_one
ID      TEXT
1       test1
2       test2
3       test3
4       test4
5       test5

and

tbl_two
ID      userID      tblone_ID
1       50          1
2       100         1
3       100         2

I am looking to get rows of tbl_one which are not appear in tbl_two but for the certain user .

for example by below select :

select * from tbl_one, tbl_two 
where (tbl_two.tblone_ID !=tbl_one.ID and tbl_two.userID==50) 

my desire resault will be

Desire resalt:
ID      TEXT
2       test2
3       test3
4       test4
5       test5

Answer 1

SELECT  a.*
FROM    tableA a
        LEFT JOIN tableB b
          on a.ID = b.tblone_ID AND
              b.userID = 50
WHERE   b.tblone_ID IS NULL

• SQLFiddle Demo