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How to make sum of columns

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How to make sum of columns Oracle Development forum discussing administration, Oracle queries, and other Oracle-related topics. Oracle is known as one of the most robust multi-platform relational databases available.

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  #1  
Old February 18th, 2004, 09:06 AM
Zagato_RZ Zagato_RZ is offline
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How to make sum of columns
Hello

I'm using an Oracle Database which looks like this example

Example (Customer is stored with the amount of different T-Shirts)

Customer Tshirt(Blue) Tshirt(Black) Tshirt(white)
Peter 1 5 3
John 0 2 6
Silvia 5 0 2

Now i want to add a column which is called total to count the total amount of t-shirts per customer.

Does anybody can help me with this problem?

Thank you in advanced!!!
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Old February 26th, 2004, 05:13 PM
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MrFujin MrFujin is offline
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why not move/ask the question to the "oracle database" thread
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Old February 27th, 2004, 04:49 AM
shammat shammat is offline
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select customer, t_shirt_blue + t_shirt_black + t_shirt_white
from table
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