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I am Lyosha [343]
3 years ago
5

Write a SELECT statement that returns a single value that represents the sum of the largest unpaid invoices submitted by each ve

ndor. Use a derived table that returns MAX(InvoiceTotal) grouped by VendorID, filtering for invoices with a balance due
Computers and Technology
1 answer:
Wittaler [7]3 years ago
5 0

Answer:

Create table vendor(vendor_id int,due_invoice int,invoiceTotal int);

Create view v as select vendor_id,max(due_invoice) as unpaid from vendor;

Select sum(unpaid) from v;

Select vendor_id,invoiceTotal from vendor group by vendor_id;

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<u><em>Answer:</em></u>

<u><em>The speed is  </em></u>

<u><em>= </em></u>

<u><em>30 </em></u>

<u><em>m </em></u>

<u><em>s </em></u>

<u><em>− </em></u>

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<u><em>The speed of a wave is given by </em></u>

<u><em> </em></u>

<u><em>speed </em></u>

<u><em>( </em></u>

<u><em>m </em></u>

<u><em>s </em></u>

<u><em>− </em></u>

<u><em>1 </em></u>

<u><em>) </em></u>

<u><em>= </em></u>

<u><em>frequency(Hz) </em></u>

<u><em>× </em></u>

<u><em>wavelength (m) </em></u>

<u><em> </em></u>

<u><em>The frequency is  </em></u>

<u><em>f </em></u>

<u><em>= </em></u>

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<u><em>H </em></u>

<u><em>z </em></u>

<u><em> </em></u>

<u><em>The wavelength is  </em></u>

<u><em>λ </em></u>

<u><em>= </em></u>

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<u><em>f </em></u>

<u><em>= </em></u>

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<u><em>s </em></u>

<u><em>− </em></u>

<u><em>1 </em></u>

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<u><em></em></u>

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