​​​​Answers to Exercises: Simple SELECT Queries

Here are the answers to the questions from the lesson on Simple SELECT Queries.

Question 1

How can you find all the table names in the AdventureWorks2012 database?

 The easiest way, when starting out with Microsoft SQL server, is to use SQL Server Management Studio’s object explorer to open and explore a database’s tables.

Object Explorer Tables

Question 2

What are two ways to get the names of all the columns in the Person.Person table?

The first way is to use the object explorer.  Below is a picture on how to do this.

Object Explorer Columns

The second way is to use the following SQL statement:

SELECT * FROM Person.Person

Note:  Though SELECT * will give you all the columns, I wouldn’t advise using it on a large database!

Question 3

Select JobTitle and BirthDate for all employees.

SELECT JobTitle,
       BirthDate
FROM   HumanResources.Employee

Question 4

What would the UnitPrice of each PurchaseOrderDetail items be if there was a half off sale?

SELECT PurchaseOrderID,
       PurchaseOrderDetailID,
       UnitPrice,
       UnitPrice / 2 as HalfOff
From   Purchasing.PurchaseOrderDetail

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