A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 6, Problem 2CAT
Program Plan Intro
Primary key:
- To identify each record in a table, at least there must be one data field, which should be unique.
- That is corresponding data field of every record should be unique.
- It is called primary key.
- Primary key is used to identify the unique record from a collection of records.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Insert into the LARGE_PROPERTY table the office number, address, bedrooms, floors, monthly rent, and owner number from the PROPERTY table whose square footage is greater than 1,500 square feet.
Show all name and phone numbers of students and the type of donation they received including any unmatched student.table name;StudentDonationVolunteer
C++ Visual 2019
Insert into the PADDLING table the trip ID, trip name, state, distance, maximum group size, and season from the TRIP table for only those trips having type PADDLING.
Chapter 6 Solutions
A Guide to SQL
Ch. 6 - Prob. 1RQCh. 6 - Which command and clause adds an individual row to...Ch. 6 - How do you add data from an existing table to...Ch. 6 - Prob. 4RQCh. 6 - Which command removes rows from a table?Ch. 6 - Which command makes updates permanent?Ch. 6 - Which command reverses updates? Which updates are...Ch. 6 - Prob. 8RQCh. 6 - What is the format of the SET clause that changes...Ch. 6 - Which command and clause adds a column to an...
Ch. 6 - Prob. 11RQCh. 6 - Which command deletes a table and all its data?Ch. 6 - Prob. 13RQCh. 6 - Prob. 1TDCh. 6 - Prob. 2TDCh. 6 - Prob. 3TDCh. 6 - Prob. 4TDCh. 6 - Prob. 5TDCh. 6 - Prob. 6TDCh. 6 - In the NONGAME table, change the category for item...Ch. 6 - Prob. 8TDCh. 6 - Prob. 9TDCh. 6 - Prob. 10TDCh. 6 - Prob. 11TDCh. 6 - Use SQL to make the following changes to the...Ch. 6 - Prob. 2CATCh. 6 - Prob. 3CATCh. 6 - Prob. 4CATCh. 6 - Prob. 5CATCh. 6 - Prob. 6CATCh. 6 - Add to the PADDLING table a new character column...Ch. 6 - Prob. 8CATCh. 6 - Prob. 9CATCh. 6 - Prob. 10CATCh. 6 - Prob. 11CATCh. 6 - Prob. 12CATCh. 6 - Use SQL to make the following changes to the...Ch. 6 - Prob. 2SCGCh. 6 - Prob. 3SCGCh. 6 - Prob. 4SCGCh. 6 - Prob. 5SCGCh. 6 - Prob. 6SCGCh. 6 - Prob. 7SCGCh. 6 - Prob. 8SCGCh. 6 - Prob. 9SCGCh. 6 - Prob. 10SCGCh. 6 - Prob. 11SCGCh. 6 - Prob. 12SCG
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
- Add the following row to the ADVENTURE_TRIP table: trip ID: 45; trip name: Jay Peak; Start location: Jay; state: VT; distance: 8; maximum group size: 8; type: Hiking and season: Summer. Display the contents of the ADVENTURE_TRIP table.arrow_forwardEnsure that the only legal values for the TYPE column in the TRIP table are Biking, Hiking, or Paddling.arrow_forwardAdd two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees date of termination.arrow_forward
- Add two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees’ date of terminationarrow_forwardDisplay a list of all data contained in the BOOKS table. List the title and publication date for each book in the BOOKS table. Use the column heading “Publication Date” for the Pubdate field. Create a list containing the publisher’s name, the person usually contacted, and the publisher’s telephone number. Rename the contact column “Contact Person” in the displayed results. (Hint: Use the PUBLISHER table.) List the customer number from the ORDERS table for each customer who has placed an order with the bookstore. List each customer number only once. Create a list of authors that displays the last name followed by the first name for each author. The last names and first names should be separated by a comma and a blank space.arrow_forwardInsert a row into the LARGE_PROPERTY table for a new property. The office number is 1, The address is 2643 Lugsi Dr., The number of bedrooms is 3, The number of floors is 2, The monthly rent is $775, The owner number is MA111. Make sure to include the period (.) in the address.arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology PtrCOMPREHENSIVE MICROSOFT OFFICE 365 EXCEComputer ScienceISBN:9780357392676Author:FREUND, StevenPublisher:CENGAGE L
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
COMPREHENSIVE MICROSOFT OFFICE 365 EXCE
Computer Science
ISBN:9780357392676
Author:FREUND, Steven
Publisher:CENGAGE L