Wednesday 12 February 2014

using count keyword with pivot table

create table t1 (
 id int,
 attribute varchar(50),
 value varchar(100)
)

--Code for Insert Value in Table with columns (id,attribute,value)             

insert into t1(id, attribute, value)
values  
 (1, 'stu_name''Rahul'),
 (1, 'address''Mahipalpur'),
 (1, 'Qualification''BTech'),
 (2, 'Stu_name''Sakshi'),
 (2, 'address''Greater Noida'),
 (2, 'Qualification''BTech'),
 (3, 'Stu_name''Kush Tiwari'),
 (3, 'address''Noida'),
 (3, 'Qualification''MCA'),
 (4, 'Stu_name''Kush Tiwari'),
 (4, 'address''Noida'),
 (4, 'Qualification''MCA'),
 (5, 'Stu_name''Sakshi'),
 (5, 'address''Greater Noida'),
 (5, 'Qualification''BTech'),
 (6, 'stu_name''Rahul'),
 (6, 'address''Mahipalpur'),
 (6, 'Qualification''BTech')
--Code to show pivot list             

select p.id,
p.[stu_name],
p.[address],
p.[qualification]
from t1  pivot(min(value) for attribute in([stu_name],[address],[qualification])) p


1        Rahul                         Mahipalpur              BTech
2        Sakshi                       Greater Noida          BTech
3        Kush Tiwari                Noida                     MCA
4        Kush Tiwari                Noida                     MCA
5        Sakshi                      Greater Noida           BTech
6        Rahul                        Mahipalpur              BTech

--Code to show Repeated Number and name             

select count(t.[stu_name] ) as 'total Repeated name',t.[stu_name] as 'student name' from
(select p.id,
p.[stu_name],
p.[address],
p.[qualification]
from t1  pivot(min(value) for attribute in([stu_name],[address],[qualification])) p ) as t group by t.[stu_name]

total Repeated Name             Name
2                                      Kush Tiwari
2                                      Rahul
2                                      Sakshi


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