A Guide to SQL
A Guide to SQL
9th Edition
ISBN: 9781337668880
Author: Pratt
Publisher: Cengage
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Concept explainers

SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prio…
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Chapter 7, Problem 10SCG

Ensure that the only legal values for the BDRMS column in the CONDO_UNIT table are 1, 2, or 3.

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Chapter 7 Solutions

A Guide to SQL

Ch. 7 - What is a view?Ch. 7 - Which command creates a view?Ch. 7 - Prob. 3RQCh. 7 - What happens when a user retrieves data from a...Ch. 7 - What are three advantages of using views?Ch. 7 - Which command deletes a view?Ch. 7 - Prob. 8RQCh. 7 - Which command terminates previously granted...Ch. 7 - Prob. 10RQCh. 7 - How do you create an index? How do you create a...
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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