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A Guide to SQL

9th Edition
Philip J. Pratt
Publisher: Course Technology Ptr
ISBN: 9781111527273
Chapter 6, Problem 4SCG
Textbook Problem
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After increasing the condo fee of each large condo by $150 (Exercise 3), Solmaris decides to decrease the condo fee of any condo whose monthly fee is more than $750 by one percent. Update the condo fees in the LARGE_CONDO table accordingly.

Program Plan Intro

UPDATE command:

  • The “UPDATE” command is employed to update information present in a table.
  • It is always used with SET keyword either in bulk or individually.

Syntax for update the value in the table is given as follows:

The Syntax for update the value in the table is given below:

UPDATE table_name

SET column1 = data1, column2 = data2, ...

WHERE condition;

Explanation of Solution

Update values into the table “LARGE_CONDO”:

UPDATE LARGE_CONDO SET CONDO_FEE = CONDO_FEE * .99 WHERE CONDO_FEE > 750;

Explanation:

  • The above query is used to update the values in the table “LARGE_CONDO”.
  • The attribute “CONDO_FEE” should be set with the value “CONDO_FEE * ...

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Chapter 6 Solutions

A Guide to SQL
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Ch. 6 - Which command and clause changes the...Ch. 6 - Which command deletes a table and all its data?Ch. 6 - Microsoft Access supports make-table queries. What...Ch. 6 - Use SOL to make the following changes to the TAL...Ch. 6 - Insert into the NONGAME table the item number,...Ch. 6 - In the NONGAME table, change the description of...Ch. 6 - In the NONGAME table, increase the price of each...Ch. 6 - Add the following item to the NONGAME table: item...Ch. 6 - Delete every item in the NONGAME table for which...Ch. 6 - In the NONGAME table, change the category for item...Ch. 6 - Add a column named ON_HAND_VALUE to the NONGAME...Ch. 6 - In the NONGAME table, increase the length of the...Ch. 6 - Remove the NONGAME table from the TAL Distributors...Ch. 6 - Use the Internet to find the SQL command to delete...Ch. 6 - Use SQL to make the following changes to the...Ch. 6 - Insert into the PADDLING table the trip ID, trip...Ch. 6 - For all trips located in Connecticut (CT),...Ch. 6 - Insert a new trip into the PADDLING table. The...Ch. 6 - Delete the trip in the PADDLING table with the...Ch. 6 - The distance for the Pontook Reservoir Tour trip...Ch. 6 - Add to the PADDLING table a new character column...Ch. 6 - Change the DIFFICULTY_LEVEL column in the PADDLING...Ch. 6 - Change the length of the SEASON column in the...Ch. 6 - Change the DIFFICULTY_LEVEL column in the PADDLING...Ch. 6 - Delete the PADDLING table from the database.Ch. 6 - Use the Internet to research another data type...Ch. 6 - Use SQL to make the following changes to the...Ch. 6 - Insert into the LARGE_CONDO table the location...Ch. 6 - Solmaris has increased the condo fee of each large...Ch. 6 - After increasing the condo fee of each large condo...Ch. 6 - Insert a row into the LARGE_CONDO table for a new...Ch. 6 - Delete all condos in the LARGE_CONDO table for...Ch. 6 - The condo in location 1 and unit 503 is in the...Ch. 6 - Add to the LARGE_CONDO table a new character...Ch. 6 - Change the OCCUPIED column in the LARGE_CONDO...Ch. 6 - Change the CONDO_FEE column in the LARGE_CONDO...Ch. 6 - Delete the LARGE_CONDO table from the database.Ch. 6 - Use the Internet to research another data type...

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