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Showing posts with label Group By. Show all posts
Showing posts with label Group By. Show all posts

Monday, 30 December 2013

Retrieve Unique Value from Table Column with Using DISTINCT & GROUP BY Keyword


Emp_id
Emp_name
Emp_mob
1
Suryagroops
9532771738
2
Suresh
9452358456
3
Mayank dixit
9896564556
4
Suryagroops
9878522132
5
Ramesh
8004677781
6
Ramesh
8785455852
                                                                                               
                                                   Figure: suryagroops_0003 (tbl_emp)

DISTINCT

Select DISTINCT Emp_name from tbl_emp;

GROUP BY
 
Select Emp_name from tbl_emp GROUP BY Emp_name;

Result-

Emp_name
Suryagroops
Suresh
Mayank dixit
Ramesh