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Database Systems: Design, Implemen...

13th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781337627900

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Chapter
Section
BuyFindarrow_forward

Database Systems: Design, Implemen...

13th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781337627900
Chapter 8, Problem 52P
Textbook Problem
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Alter the DETAILRENTAL table to include a derived attribute named DETAIL_DAYS-LATE to store integers of up to three digits. The attribute should accept null values.

Program Plan Intro

ALTER TABLE Statement:

“ALTER TABLE” statement comes under Data Definition Language. It is used to modify column, add constraints, add column(s), drop column, rename column name and table name, drop constraints, and so on.

Syntax:

Syntax to drop constraint is as follows:

ALTER TABLE table_Name ADD CONSTRAINT constraintName;

Explanation of Solution

Query to alter the table:

ALTER TABLE DETAILRENTAL

ADD DETAIL_DAYSLATE NUMBER(3,0);

Explanation:

The above query is used to add the column “DETAIL_DAYSL...

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Chapter 8 Solutions

Database Systems: Design, Implementation, & Management
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Ch. 8 - What is a trigger, and what is its purpose? Give...Ch. 8 - What is a stored procedure, and why is it...Ch. 8 - Write the SQL code that will create only the table...Ch. 8 - Having created the table structure in Problem 1,...Ch. 8 - Using the EMPLOYEE table that already exists, use...Ch. 8 - Write the SQL code that will save the changes made...Ch. 8 - Write the SQL code to change the job code to 501...Ch. 8 - Write the SQL code to delete the row for William...Ch. 8 - Write the SQL code to create a copy of EMP_1,...Ch. 8 - Using the EMP_2 table, write the SQL code that...Ch. 8 - Using the EMP_2 table, write the SQL code to...Ch. 8 - Using the EMP_2 table, write a single SQL command...Ch. 8 - Using the EMP_2 table, write a single SQL command...Ch. 8 - Using the EMP_2 table, write the SQL command to...Ch. 8 - Using a single command sequence with the EMP_2...Ch. 8 - Using a single command sequence with the EMP_2...Ch. 8 - Write the SQL code that will change the PROJ_NUM...Ch. 8 - Create the CUSTOMER table structure illustrated in...Ch. 8 - Create the INVOICE table structure illustrated in...Ch. 8 - Write the set of SQL commands necessary to insert...Ch. 8 - Write the set of SQL commands necessary to insert...Ch. 8 - Create an Oracle sequence named CUST_NUM_SEQ to...Ch. 8 - Create an Oracle sequence named INV_NUM_SEQ to...Ch. 8 - Insert the following customer into the CUSTOMER...Ch. 8 - Modify the CUSTOMER table to include the customers...Ch. 8 - Modify customer 1000 to indicate the date of birth...Ch. 8 - Modify customer 1001 to indicate the date of birth...Ch. 8 - Create a trigger named trg_updatecustbalance to...Ch. 8 - Write a procedure named prc_cust_add to add a new...Ch. 8 - Write a procedure named prc_invoice_add to add a...Ch. 8 - Write a trigger to update the customer balance...Ch. 8 - Write a procedure to delete an invoice, giving the...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 - Write the queries to update the MOD_WAIT_CHG...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 - Modify the PILOT table to add the attribute shown...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 - Write the SQL code to create the table structures...Ch. 8 - The following tables provide a very small portion...Ch. 8 - For Questions 49-63, use the tables that were...Ch. 8 - Write the SQL command to change the price code for...Ch. 8 - Write a single SQL command to increase all price...Ch. 8 - Alter the DETAILRENTAL table to include a derived...Ch. 8 - Update the DETAILRENTAL table to set the values in...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 - Update the PRICE table to place the values shown...Ch. 8 - Create a sequence named rent_num_seq to start with...

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