Pearson eText for Starting out with Visual C# -- Instant Access (Pearson+)
5th Edition
ISBN: 9780137502783
Author: Tony Gaddis
Publisher: PEARSON+
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Textbook Question
Chapter 12, Problem 6MC
A __________ is a unique column value that can be used to identify a specific row in a table of a
- a. data cell
- b. primary key
- c. prime column
- d. lookup entry
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A column in a relational table/database that serves as a unique identifier is called a __________.
Multiple Choice
primary identifier
foreign key
primary key
foreign identifier
In a relational database every table should have a _____ field defined. This field uniquely identifies each row. Duplicates in this field are not allowed.
Foreign Key
Primary Key
Unique Key
Composite Key
Assume that the Authors table is already built in the database with the following specifications:
Authors:
Column Name
Data Type
constrains
Authors ID
Author Name
Varchar2(10)
|Varchar2(30)
Primary key
Unique
You Need to Create the Books table with the following specifications
Column Name
Data Type
Constrains
ISBN
Book Title
Book Price
Author id
Number (10)
Varchar2(40)
Number (4,2)
Varchar2(10)
Primary key
Not Null
referencing the Author_ID in
the Author Table
Complete the create statement by drag and drop the correct word:
Create Table lblank (ISBN Number (10) plank,
Book Title Varchar2blank ) Not Null,
Book Price Number(4, 2),
Auther IR blank (10) references Jolank (blank );
Author ID Books Number||Authors Not Nul Varchar2| Primary Key 40
h (United States)
Chapter 12 Solutions
Pearson eText for Starting out with Visual C# -- Instant Access (Pearson+)
Ch. 12.1 - Prob. 12.1CPCh. 12.1 - Why do most businesses use a DBMS to store their...Ch. 12.1 - When developing a C# application that uses a DBMS...Ch. 12.2 - Prob. 12.4CPCh. 12.2 - Prob. 12.5CPCh. 12.2 - What is the purpose of a primary key?Ch. 12.2 - Prob. 12.7CPCh. 12.2 - If a particular column is not allowed to be null,...Ch. 12.3 - List each of the .NET components that allow an...Ch. 12.3 - Prob. 12.10CP
Ch. 12.3 - What component is used to connect interface...Ch. 12.4 - Prob. 12.12CPCh. 12.4 - List the components that are automatically created...Ch. 12.4 - Prob. 12.14CPCh. 12.4 - What kind of information is displayed in the Data...Ch. 12.5 - How can you create a form that shows the columns...Ch. 12.5 - Prob. 12.17CPCh. 12.5 - Prob. 12.18CPCh. 12.6 - Prob. 12.19CPCh. 12.6 - When you create a Details view, what determines...Ch. 12.6 - Prob. 12.21CPCh. 12.6 - Prob. 12.22CPCh. 12.7 - In SQL, what is the purpose of the Select...Ch. 12.7 - What are the instructions for the DBMS to carry...Ch. 12.7 - How are the relational operators used in SQL...Ch. 12.7 - Prob. 12.26CPCh. 12.7 - Prob. 12.27CPCh. 12.7 - Prob. 12.28CPCh. 12.7 - Prob. 12.29CPCh. 12.7 - In an SQL statement, with what symbol does a query...Ch. 12 - Prob. 1MCCh. 12 - Prob. 2MCCh. 12 - A __________ holds a collection of related data...Ch. 12 - A __________ is a complete set of information...Ch. 12 - A(n) __________ holds an individual piece of...Ch. 12 - A __________ is a unique column value that can be...Ch. 12 - A(n) __________ is a column that contains unique...Ch. 12 - A __________ is a source of data with which the...Ch. 12 - A __________ connects to a data source and can...Ch. 12 - Prob. 10MCCh. 12 - A __________ is a component that can connect user...Ch. 12 - Prob. 12MCCh. 12 - A __________ can display an entire database table...Ch. 12 - A __________ is a set of individual controls that...Ch. 12 - Prob. 15MCCh. 12 - Prob. 16MCCh. 12 - Prob. 17MCCh. 12 - Prob. 18MCCh. 12 - __________, which stands for __________, is a...Ch. 12 - __________ are instructions for the DBMS to carry...Ch. 12 - In SQL, you use the __________ to retrieve the...Ch. 12 - A(n) __________ is an SQL statement that is stored...Ch. 12 - The __________ describes the contents of a...Ch. 12 - Prob. 1TFCh. 12 - The DBMS works directly with the data and sends...Ch. 12 - The data that is stored in a database is organized...Ch. 12 - Each column in a table must have a name.Ch. 12 - When you create a database table, the data types...Ch. 12 - When working with the data in a database table,...Ch. 12 - If a column in a database table contains no data,...Ch. 12 - An application works directly with a database,...Ch. 12 - Rather than showing multiple rows at once, a...Ch. 12 - Prob. 10TFCh. 12 - String comparisons in SQL are case sensitive.Ch. 12 - Prob. 1SACh. 12 - Briefly describe the layered nature of an...Ch. 12 - What is the data that is stored in a row of a...Ch. 12 - Are the data types used when creating a database...Ch. 12 - How do you create a primary key for a table with...Ch. 12 - Prob. 6SACh. 12 - Instead of working with the database directly,...Ch. 12 - What control can be used to display an entire...Ch. 12 - Prob. 9SACh. 12 - In SQL, what statement do you use to retrieve...Ch. 12 - Prob. 11SACh. 12 - Prob. 1AWCh. 12 - Write a Select statement that returns all the...Ch. 12 - Write a Select statement that returns only the...Ch. 12 - Write a Select statement that returns the...Ch. 12 - Write a Select statement that returns the...Ch. 12 - Write a Select statement that returns all the...Ch. 12 - Write a Select statement that returns the...Ch. 12 - Write a Select statement that returns the...Ch. 12 - Personnel Database Use Visual Studio to create a...
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