A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Textbook Question
Chapter 7, Problem 8CAT
Write the commands to obtain the following information from the system catalog. Do not execute these commands unless your instructor asks you to do 30.
- a. List every column in the GUIDE table and its associated data type.
- b. List every table that contains a column named TRIP_ID.
- c. List the table name, column name, and data type for the columns named TRIP_ID, TRIP_NAME, and TYPE. Order the results by table name within column name. (That is, column name is the major sort key and table name is the minor sort key.)
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Task 13: Write the command to display only tables within the system catalog that are of the type BASE TABLE. Display only the following columns: TABLE_SCHEMA, TABLE_NAME, TABLE_TYPE.
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Task 14: Create an index named ITEM_INDEX1 on the ITEM_ID column in the INVOICE_LINE table.
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Task 15: Create an index named ITEM_INDEX2 on the CATEGORY column in the ITEM table.
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Task 16: Create an index named ITEM_INDEX3 on the CATEGORY and LOCATION columns in the ITEM table.
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Task 17: Create an index named ITEM_INDEX4 on the CATEGORY and LOCATION columns in the ITEM table. List categories in descending order.
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Task 18: Delete the index named ITEM_INDEX3.
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Task 19: List every table that you have created thus far. Display the TABLE_SCHEMA and TABLE_NAME columns.
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Task 20: List every column in the ITEM table and its associated data type.
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Task 21: Alter the INVOICE_LINE table by adding…
List all the views contained within the system catalog.
Write the command to display only tables within the system catalog that are of the type BASE TABLE. Display only the following columns: TABLE_SCHEMA, TABLE_NAME, TABLE_TYPE.
WEEK 9 ASSIGNMENT#6
Part II:
Complete the following exercise:
Using a subquery, select student first name where the student is in the student course table.
Using a subquery, select the course id where the average GPA is 2.
Using a subquery, select the course id where the average GPA is greater than 2.
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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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