compsci-notes-spring-2024/instructions/database-programming/lab-1.md

Lab 1

This lab has you practice simple queries against tables with filtering and ordering. Write the SQL queries that properly answer each scenario.

For each scenario include the following in your answer:

• The SQL query (properly formatted)
• The number of rows returned by the query

Note: DO NOT hard code any primary key IDs in your queries.

This lab uses the WideWorldImporters database.

Scenario 1

Select the SupplierName, WebsiteURL, DeliveryAddressLine1, DeliveryAddressLine2 and DeliveryPostalCode columns from the Purchasing.Suppliers table.

Rows: 13

Scenario 2

Select the StateProvinceName, SalesTerritory, and CountryID from the Application.StateProvinces table. Include only the rows where SalesTerritory is Southeast. Order the rows by StateProvinceName.

Rows: 12

Scenario 3

Select the CustomerID, TransactionDate and TransactionAmount from the Sales.CustomerTransactions table. Include only the rows where TransactionAmount is less than zero and TransactionDate is in the year 2015. Order the rows by TransactionDate descending and then by TransactionAmount ascending.

Rows: 8635

Scenario 4

Select the CountryName, Continent, Region, Subregion from the Application.Countries table. Include only the rows where LatestRecordedPopulation is greater than 1 million people and Continent is not Oceania. Order the rows by CountryName, Continent, Region and then Subregion.

Rows: 147

Scenario 5

Select the StockItemName, RecommendedRetailPrice and Tags from the Warehouse.StockItems table. Include only the rows where IsChillerStock is true and StockItemName begins with USB. Order the rows by StockItemName. Only return the first 10 rows.

Rows: 10

Scenario 6

Select the InvoiceId, InvoiceDate and CustomerName from the Sales.Invoices and Sales.Customers tables. Include only the invoices from 1/1/2016' to '3/1/2016' and customers that do not haveToysin the name. Order the rows byCustomerNameand then byInvoiceDate`.

Rows: 1382

*Note: Return CustomerName, not CustomerId.

Scenario 7*

Select the ColorName columns from the Warehouse.Colors table that are not being used in the Warehouse.StockItems table. The Warehouse.StockItems.ColorId column contains the Warehouse.Colors.ColorId value. Order by ColorName.

Rows: 29

Scenario 8

Select the CityName, StateProvinceName and StateProvinceCode from the Application.Cities table. Include only the cities that begin with the letter A from states that are in the Southeast sales territory. Order the rows by StateProvinceName descending and then by CityName.

Rows: 376

Scenario 9

Select the CustomerId (as Id) and CustomerName (as Name) columns from the Sales.Customers table combined with the SupplierId and SupplierName columns from the Purchasing.Suppliers table. Include a Type column that is set to Customer for customer rows and Supplier for supplier rows. Order the resulting data by the type and then by customer/supplier name.

Rows: 676

Note: The resultset will have only 3 columns (Type, Id and Name).

Scenario 10

Select the CityName, StateProvinceName, CountryName and SalesTerritory from the Application.Cities, Application.StateOrProvinces and Application.Countries tables. Include only the rows that are for the SalesTerritory with values of Southeast or Southwest. Order the rows by StateProvinceName and then by CityName.

Rows: 13341