A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 3, Problem 3CAT
Program Plan Intro
Table deletion
Deleting table comes under Data Definition Language (DDL).
- The “DROP TABLE” command is used to delete the table from the data base
The Syntax for deleting table is as follows:
DROP TABLE TABLE_NAME;
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Mark as unused the Category column in the BOOK_PRICING table. Check that the column is
no longer accessible.
Select all rows from the Orders table where the CustomerID is greater than 300.
Mark the BOOK_PRICING table's Category field as empty. Check to see whether the column is no longer accessible.
Chapter 3 Solutions
A Guide to SQL
Ch. 3 - Prob. 1RQCh. 3 - How do you delete a table using SQL?Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Use SQL to complete the following exercises....Ch. 3 - Prob. 2TDCh. 3 - Prob. 3TDCh. 3 - Prob. 4TDCh. 3 - Prob. 5TDCh. 3 - Prob. 6TDCh. 3 - Prob. 7TDCh. 3 - Prob. 1CATCh. 3 - Add the following row to the ADVENTURE_TRIP table:...Ch. 3 - Prob. 3CATCh. 3 - Prob. 4CATCh. 3 - Prob. 5CATCh. 3 - Prob. 6CATCh. 3 - Review the data for the TRIP table in Figure 1-5...Ch. 3 - Colonial Adventure Tours would like to increase...Ch. 3 - Prob. 1SCGCh. 3 - Add the following record to the VACATION_UNIT...Ch. 3 - Delete the VACATION_UNIT table.Ch. 3 - Prob. 4SCGCh. 3 - Prob. 5SCGCh. 3 - Prob. 6SCGCh. 3 - The SERVICE_REQUEST table uses the CHAR data type...
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- Create a new table containing these four columns from the existing BOOKS table: ISBN, Cost, Retail, and Category. The name of the ISBN column should be ID, and the other columns should keep their original names. Name the new table BOOK_PRICING.arrow_forwardAdd a new row in the ORDERS table with the following data: Order# = 1021, Customer# = 1009, and Order date = July 20, 2009.arrow_forwardAdd a new row in the ORDERS table with the following data: Order# = 1022, Customer# = 2000, and Order date = August 6, 2009. Describe the error raised and what caused the error.arrow_forward
- Mark the Category column of the BOOK_PRICING table as unused. Verify that the column is no longer available.arrow_forwardTruncate the BOOK_PRICING table, and then verify that the table still exists but no longer contains any dataarrow_forwardSelect all rows from the Orders table where the CustomerID is 400 or 500.arrow_forward
- Add a new row in the ORDERS table with the following data: Order# = 1023 and Customer# = 1009. Describe the error raised and what caused the error.arrow_forwardAdd a constraint to make sure the Rep_ID value entered in the BOOK_STORES table is a valid value contained in the STORE_REPS table. The Rep_ID columns of both tables were initially created as different datatypes. Does this cause an error when adding the constraint? Make table modifications as needed so that you can add the required constraint.arrow_forwardUpdate the VID_STATUS attribute of the VIDEO table using a subquery to set the VID_STATUS to OUT for all videos that have a null value in the DETAIL_ RETURNDATE attribute of the DETAILRENTAL table.arrow_forward
- Add two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees date of termination.arrow_forwardA new table has been requested to support tracking automated emails sent to customers. Create the table and add data as described below. Tablename: email_log Columns: emailid (numeric), emaildate (datetime), customer# (numeric) Primary key: emailid column, define as an Identity Column Add the following data rows and display resulting rows (if any errors occur, explain why the error is expected) Emaildate = current date, customer# = 1007 Emailid = specify to use the column default value, emaildate = current date, customer# = 1008 Emailid = 25, emaildate = current date, customer# = 1009arrow_forwardExplain the difference between truncating a table and deleting a table.arrow_forward
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