Database Systems: Design, Implementation, & Management

11th Edition

ISBN: 9781285196145

Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel

Publisher: Cengage Learning

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Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

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Chapter 8, Problem 6RQ

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Correlated subquery:

In a SQL language, the values of correlated subquery used for the outer query. It is implemented once for each row in the outer query.

The correlated subquery is depended by the outer query. It is also called as repeating subquery or synchronized subquery.

The correlated subquery will execute outer query first and then it will run the inner query once for every row returned in the outer subquery...

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Chapter 8, Problem 5RQ

Chapter 8, Problem 7RQ

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What is a Correlated subquery?

Discuss the differences between a regular subquery and a correlated subquery. Provide an example of one or both subqueries.

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Chapter 8 Solutions

Database Systems: Design, Implementation, & Management

Ch. 8 - What is a cross join? Give an example of its...Ch. 8 - What three join types are included in the outer...Ch. 8 - Using tables named T1 and T2, write a query...Ch. 8 - Prob. 4RQ Ch. 8 - Prob. 5RQ Ch. 8 - Prob. 6RQ Ch. 8 - Prob. 7RQ Ch. 8 - What does it mean to say that SQL operators are...Ch. 8 - Prob. 9RQ Ch. 8 - Prob. 10RQ

Ch. 8 - Prob. 11RQ Ch. 8 - Prob. 12RQ Ch. 8 - Prob. 13RQ Ch. 8 - Given the employee information in Question 11,...Ch. 8 - Prob. 15RQ Ch. 8 - Prob. 16RQ Ch. 8 - Prob. 17RQ Ch. 8 - Prob. 18RQ Ch. 8 - What string function should you use to list the...Ch. 8 - Prob. 20RQ Ch. 8 - Prob. 21RQ Ch. 8 - Prob. 22RQ Ch. 8 - Prob. 23RQ Ch. 8 - Prob. 24RQ Ch. 8 - Prob. 1P Ch. 8 - Insert the data into the tables you created in...Ch. 8 - Prob. 3P Ch. 8 - Prob. 4P Ch. 8 - Prob. 5P Ch. 8 - Prob. 6P Ch. 8 - Prob. 7P Ch. 8 - Prob. 8P Ch. 8 - Prob. 9P Ch. 8 - Modify the CUSTOMER table to include two new...Ch. 8 - Prob. 11P Ch. 8 - Prob. 12P Ch. 8 - Prob. 13P Ch. 8 - Prob. 14P Ch. 8 - Prob. 15P Ch. 8 - Prob. 16P Ch. 8 - Write a trigger to update the customer balance...Ch. 8 - Write a procedure to delete an invoice, giving the...Ch. 8 - Prob. 19P Ch. 8 - Prob. 20P Ch. 8 - Prob. 21P Ch. 8 - Prob. 22P Ch. 8 - Prob. 23P Ch. 8 - Prob. 24P Ch. 8 - Prob. 25P Ch. 8 - Prob. 26P Ch. 8 - Prob. 27P Ch. 8 - Create a trigger named trg_line_total to write the...Ch. 8 - Create a trigger named trg_line_prod that...Ch. 8 - Create a stored procedure named prc_inv_amounts to...Ch. 8 - Create a procedure named prc_cus_balance_update...Ch. 8 - Modify the MODEL table to add the attribute and...Ch. 8 - Prob. 33P Ch. 8 - Modify the CHARTER table to add the attributes...Ch. 8 - Write the sequence of commands required to update...Ch. 8 - Write the sequence of commands required to update...Ch. 8 - Write the command required to update the...Ch. 8 - Write the command required to update the...Ch. 8 - Write the command required to update the...Ch. 8 - Prob. 40P Ch. 8 - Create a trigger named trg_char_hours that...Ch. 8 - Create a trigger named trg_pic_hours that...Ch. 8 - Create a trigger named trg_cust_balance that...Ch. 8 - Alter the DETAILRENTAL table to include a derived...Ch. 8 - Alter the VIDEO table to include an attribute...Ch. 8 - Update the VID_STATUS attribute of the VIDEO table...Ch. 8 - Alter the PRICE table to include an attribute...Ch. 8 - Prob. 48C Ch. 8 - Prob. 51C

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