From: | Rob Sargent <robjsargent(at)gmail(dot)com> |
---|---|
To: | emaratiyya <emaratiyya(at)hotmail(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Using count on a join, group by required? |
Date: | 2010-12-14 16:23:19 |
Message-ID: | 4D0799F7.9050206@gmail.com |
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Thread: | |
Lists: | pgsql-sql |
Shouldn't you be doing your own homework?
emaratiyya wrote:
> Hi,Please help me solving this problem. I appreciate..Thankyou.
>
> Create the following table and insert few arbitrary records.
> Product (product_id, product_name, supplier_name, quantity, price_per_unit)
> You are required to create PL/SQL package that achieves the following
> functionalities:
>
> • Obtaining the product supplier name by using the product_id
> • Changing the price_per_unit by using the product_id
> • When changing the price of the product, you have to have PL/SQL code that
> keeps the history of the prices. For this functionality you need to create
> audit table: product_audit(product_id, old_price, new_price, date_of_change)
> • Updating the quantity by using the product_id
> • Get warning when the product level of stock (quantity) goes below certain
> threshold (e.g. 10)
>
>
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