A Guide to SQL
A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Question
Chapter 7, Problem 3RQ
Program Plan Intro

 View:

The “VIEW” in the SQL (Structured Query Language) is a virtual table that does not exist physically. It is formed by a SQL statement that links one or more tables.

  • The view is considered as derived table because the data is comes from one or more base tables.
  • It is a logical representation of table; all the operations asked by user on a view are really done on the underlying base table.
  • View provides security to tables in database.

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Chapter 7 Solutions

A Guide to SQL

Ch. 7 - Prob. 12RQCh. 7 - Does the DBMS or the user make the choice of which...Ch. 7 - Describe the information the DBMS maintains in the...Ch. 7 - The CUSTOMER table contains a foreign key,...Ch. 7 - Prob. 16RQCh. 7 - Prob. 17RQCh. 7 - Prob. 18RQCh. 7 - Prob. 19RQCh. 7 - When would you usually specify primary key...Ch. 7 - Prob. 21RQCh. 7 - Prob. 22RQCh. 7 - Prob. 23RQCh. 7 - Use SQL to make the following changes to the TAL...Ch. 7 - Create a view named ITEM_ORDER. It consists of the...Ch. 7 - Create a view named ORDER_TOTAL. It consists of...Ch. 7 - Write, but do not execute, the commands to grant...Ch. 7 - Prob. 5TDCh. 7 - Perform the following tasks: a. Create an index...Ch. 7 - Delete the index named ITEM_INDEX3.Ch. 7 - Write the commands to obtain the following...Ch. 7 - Prob. 9TDCh. 7 - Prob. 10TDCh. 7 - Toys Galore currently has a credit limit of 7,500....Ch. 7 - Use SQL to make the following changes to the...Ch. 7 - Create a view named RESERVATION_CUSTOMER. It...Ch. 7 - Create a view named TRIP_INVENTORY. It consists of...Ch. 7 - Write, but do not execute, the commands to grant...Ch. 7 - Prob. 5CATCh. 7 - Create the following indexes: a. Create an index...Ch. 7 - Prob. 7CATCh. 7 - Write the commands to obtain the following...Ch. 7 - Prob. 9CATCh. 7 - Ensure that the only legal values for the TYPE...Ch. 7 - Prob. 11CATCh. 7 - Use SQL to make the following changes to the...Ch. 7 - Create a view named CONDO_OWNERS. It consists of...Ch. 7 - Create a view named CONDO_FEES. It consists of two...Ch. 7 - Write, but do not execute, the commands to grant...Ch. 7 - Prob. 5SCGCh. 7 - Prob. 6SCGCh. 7 - Delete the OWNER_INDEX 3 index from the OWNER...Ch. 7 - Write the commands to obtain the following...Ch. 7 - Prob. 9SCGCh. 7 - Ensure that the only legal values for the BDRMS...Ch. 7 - Prob. 11SCG
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