Case 1 - MaidToOrder
the Database for a Cleaning Service

question 24

Multiple Choice

Case 1 - MaidToOrder
The database for a cleaning service company contains the following table, named tblCustomer, that includes customer invoice data. The InvoiceNum, CustomerNum, and InvoicePaid fields contain text. The InvoiceDate field contains dates. The InvoiceAmt field contains numbers.
$$\begin{array} { | l | l | l | l | l | } \hline \text { InvoiceNum } & \text { CustomerNum } & \text { InvoiceDate } & \text { InvoiceAmt } & \text { InvoicePaid } \\\hline 631 & 13020 & 01 / 15 / 2013 & 200.00 & \mathrm { Y } \\\hline 632 & 15411 & 01 / 20 / 2013 & 685.00 & \mathrm { Y } \\\hline 633 & 10002 & 01 / 23 / 2013 & 75.00 & \mathrm {~N} \\\hline 634 & 13104 & 01 / 23 / 2013 & 150.00 & \mathrm {~N} \\\hline 635 & 12124 & 01 / 26 / 2013 & 75.00 & \mathrm { Y } \\\hline 636 & 13328 & 02 / 02 / 2013 & 350.00 & \mathrm { Y } \\\hline 637 & 10206 & 02 / 02 / 2013 & 175.00 & \mathrm {~N} \\\hline 638 & 10334 & 02 / 07 / 2013 & 450.00 & \mathrm { Y } \\\hline\end{array}$$
-Which of the following statements will calculate a total for all of the unpaid invoices?

• A)Dim decTotalUnpaid =Aggregate customer In CustomerDataSet.tblCustomerSelect customer.InvoicePaid Into Sum()
• B)Dim decTotalUnpaid =Aggregate customer In CustomerDataSet.tblCustomerSelect customer.InvoiceAmt Into Sum()
• C)Dim decTotalUnpaid =Aggregate customer In CustomerDataSet.tblCustomerWhere customer.InvoicePaid.ToUpper = "N"Select customer.InvoiceAmt Into Average()
• D)Dim decTotalUnpaid =Aggregate customer In CustomerDataSet.tblCustomerWhere customer.InvoicePaid.ToUpper = "N"Select customer.InvoiceAmt Into Sum()

Recognize the significance of major battles and strategies employed during the Civil War.

Identify the reasons behind the secession of Southern states and the formation of the Confederacy.

Comprehend the different perspectives and roles of individuals and groups during the Civil War, including soldiers, leaders, and civilians.

Analyze the impact of the Civil War on the social, economic, and political landscape of the United States.

---

Definitions:

Energy Exchange

A process by which energy is transferred from one system or object to another, often seen in ecosystems as the transfer of energy from producers to consumers through food chains.

Living Systems

Complex networks of interacting organisms and their physical environment, functioning together as a coherent group for energy flow, reproduction, and adaptation.

Permeability

The ability of a material to allow fluids or gases to pass through it, often relevant in discussions of soil health, water filtration, and construction materials.

Porosity

Refers to the measure of void spaces in a material, indicating how porous it is.