EBK STARTING OUT WITH VISUAL C#
5th Edition
ISBN: 9780135204818
Author: GADDIS
Publisher: VST
expand_more
expand_more
format_list_bulleted
Videos
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
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
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
EBK STARTING OUT WITH VISUAL C#
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...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
Write a fragment of code that will change the integer value stored in x as follows. If x is even, divide x by 2...
Java: An Introduction to Problem Solving and Programming (8th Edition)
A loading causes the block to deform into the dashed shape. Explain how to determine the strains (A) xy, (B)xy....
Mechanics of Materials (10th Edition)
What are the advantages in implementing a language with a pure interpreter?
Concepts Of Programming Languages
This optional Google account security feature sends you a message with a code that you must enter, in addition ...
SURVEY OF OPERATING SYSTEMS
What will the following program display? def main (): x = 1 y = 3.4 print(x, y) change_us(x, y) print(x, y) def...
Starting Out with Python (4th Edition)
_____ is the only language computers can process directly, without any conversion required.
Starting Out With Visual Basic (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Access path A database table is composed of records and fields hold data. Data is stored in records. A field is a part of a record and contains a single piece of data for the subject of the record. The access path for finding the list of books is AUTHOR: AuthorID, Lname BOOKAUTHOR: AuthorID, ISBN BOOKS: Pubdate, ISBNarrow_forwardA(n) _____ is a request for specific information from a database.arrow_forwardThe following tables provide a very small portion of the data that will be kept in the database. These data need to be inserted into the database for testing purposes. Write the INSERT commands necessary to place the following data in the tables that were created in Problem 65. RENTAL RENT_NUM RENT_DATE MEM_NUM 1001 01-MAR-13 103 1002 01-MAR-13 105 1003 02-MAR-13 102 1004 02-MAR-13 110 1005 02-MAR-13 111 1006 02-MAR-13 107 1007 02-MAR-13 104 1008 03-MAR-13 105 1009 03-MAR-13 111 VIDEO VID_NUM VID_INDATE MOVIE_NUM 54321 18-JUN-12 1234 54324 18-JUN-12 1234 54325 18-JUN-12 1234 34341 22-JAN-11 1235 34342 22-JAN-11 1235 34366 02-MAR-13 1236 34367 02-MAR-13 1236 34368 02-MAR-13 1236 34369 02-MAR-13 1236 44392 21-OCT-12 1237 44397 21-OCT-12 1237 59237 14-FEB-13 1237 61388 25-JAN-11 1239 61353 28-JAN-10 1245 61354 28-JAN-10 1245 61367 30-JUL-12 1246 61369 30-JUL-12 1246arrow_forward
- Perform the following tasks: a. Create an index named ITEM_INDEX1 on the ITEM_NUM column in the ORDER_LINEtable. b. Create an index named ITEM_INDEX2 on the CATEGORY column in the ITEMtable. c. Create an index named ITEM_INDEX3 on the CATEGORY and STOREHOUSE columnsin the ITEM table. d. Create an index named ITEM_INDEX4 on the CATEGORY and STOREHOUSEcolumns in the ITEM table. List categories in descending order.arrow_forwardAn in-memory database (IMDB) is a database management system that stores the entire database in _______. a. random access memory b. read-only memory c. distributed servers d. virtual memoryarrow_forwardOne way to secure a database is to allow only administrators to have access to create and delete tables. (513)arrow_forward
- An EMPLOYEES table was added to the JustLee Books database to track employee information. Display a list of each employee’s name, job title, and manager’s name. Use column aliases to clearly identify employee and manager name values. Include all employees in the list and sort by manager name.arrow_forwardWhich of the following data dictionary objects should be used to view information about the constraints in a database? USER_TABLES USER_RULES USER_COLUMNS USER_CONSTRAINTS None of the above objects should be used.arrow_forwardA database user manually notes that The file contains two hundred records, each record containing nine fields. Use appropriate relational database terminology to translate that statement.arrow_forward
- Create a view named CONDO_FEES. It consists of two columns: the first is the square footage, and the second is the average fee for all condos in the CONDO_UNIT table thathave that square footage. Use AVERAGE_FEE as the column name for the average fee.Group and order the rows by square footage. a. Write and execute the CREATE VIEW command to create the CONDO_FEES view. b. Write and execute the command to retrieve the square footage and average fee foreach square footage for which the average fee is greater than 500. c. Write and execute the query that the DBMS actually executes. d. Does updating the database through this view create any problems? If so, what arethey? If not, why not?arrow_forwardassume that a database has a table named Stock, with thefollowing columns:Column Name TypeTrading_Symbol nchar(10)Company_Name nchar(25)Num_Shares intPurchase_Price moneySelling_Price money Write a Select statement that returns the Trading_Symbol column only from the rows where Selling_Price is greater than Purchase_Price and Num_Shares is greater than 100.arrow_forwardA select procedure in a relational database can shrink a table's size by deleting columns that don't fit a certain set of requirements.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781285867168Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781305971776Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Fundamentals of Information SystemsComputer ScienceISBN:9781337097536Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology Ptr
Enhanced Discovering Computers 2017 (Shelly Cashm...Computer ScienceISBN:9781305657458Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. CampbellPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:9781337097536
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
Enhanced Discovering Computers 2017 (Shelly Cashm...
Computer Science
ISBN:9781305657458
Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
Publisher:Cengage Learning
How to Design DB Tables for any Application? (The Basics); Author: Studytonight;https://www.youtube.com/watch?v=XUdNVaSikqY;License: Standard YouTube License, CC-BY
Create a Table (Introduction to Oracle SQL); Author: Database Star;https://www.youtube.com/watch?v=BiV1IrzB1sY;License: Standard Youtube License