See the Example
Select * from mydoubts_data
+———+————————-+——————–+
| EMPCODE | NAME | SALARAY CODE |
+———+————————-+——————–+
| 787 | Vasanthan | K |
| GORT | Shaji | S |
| GKL | James | P |
| IND | Abdul | ZO |
| VIS | Sunil | F |
+———+————————-+——————–+
IN and NOT in is an alias for where clause.
For Example
select * from mydoubts_data where SALARY CODE in (‘K’ , ‘S’);
+———+————————-+——————–+
| EMPCODE | NAME | SALARAY CODE |
+———+————————-+——————–+
| 787 | Vasanthan | K |
| GORT | Shaji | S |
+———+————————-+——————–+