Performing Inner Join for Multiple Columns in the Same Table

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hi
i am having to table 1st one city_master and 2nd Transaction

City_Master

id City
1 Nagpur
2 Mumbai
3 Pune

Transcation

id Supplier_name Product Qty City Alt_City
1 Nikhil Iron 100 1 2
2 Amit Copper 100 1 3
3 Rohit Steel 100 3 1

i want query output like below

1 Nikhil Iron 100 Nagpur Mumbai
2 Amit Copper 100 Nagpur Pune
3 Rohit Steel 100 Pune Nagpur

Posted 19-Jul-13 21:21pm

Nikhil Bhivgade

Updated 19-Jul-13 21:59pm

v2

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MuhammadUSman1 20-Jul-13 3:54am

You should join on the base of Alt_City from Transaction table and ID from City_Master Table.
check my solution

2 solutions

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MuhammadUSman1 · Answer 1 · 2013-07-19T21:51:00

it will give your Expected output

To select All Columns

SQL

Select * from transaction t
join City_Master cm on t.Alt_City=cm.id

For selected Columns

SQL

Select t.Supplier_Name,t.Product,t.Qty,cm.City from transaction t
join City_Master cm on t.Alt_City=cm.id

for more info about join please visit this link

Nila1991 · Answer 2 · 2013-07-19T22:53:00

Solution 2

hi friend,

Try This...

SQL

Select T0.id, T0.Supplier_name, T0.Product, T0.Qty ,(select A.City from City_Master A.id=T0.City) as 'City', (select A.City from City_Master A.id=T0.Alt_City) as 'Alt_City' from Transcation T0

Happy Coding :)

Posted 19-Jul-13 22:53pm

Nila1991

Updated 19-Jul-13 22:57pm

v3