Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 14MC
Which of the following is true?
- a. All data in a table can be recovered if the table is dropped with the PURGE option.
- b. All data in a table can be recovered from the recycle bin if the table is dropped.
- c. All data in a table is lost if the table is dropped.
- d. All of the above statements are true.
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Q. Write a trigger that checks the length of a contract when a new contract is inserted into longtermcontract table. If this is the first contract between the pharmacy and pharmaceutical company, the length of the contract should not be more than 12 months. If the contract is more than 12 months, the trigger should alter the end date and reduce it to 12 months after the start date.
* You have to use BEFORE INSERT ON* THE INSERT STATEMENT IN THE END OF THE GIVEN CODE MUST WORK.
GIVEN CODE:-- Do not change the name of the triggerdelimiter //create trigger first_contracts_length_limitation
-- do not modify or delete the following lines. Do not write anything after this line.insert into longtermcontract values('parapharmaceutical', '24 South St., Fabreville, QC H7P-E2H', '2020-02-01', '2021-04-01', '***');
SCRIPT:
All do. Else report.
List items have an index number. In the following list, which item has the index number of 3?
["John", "Harry", "Jesse", "John", "Harry", "Harry"]
Select one:
a. None
O b. "John"
O c. "Jesse"
O d. "Harry"
Chapter 3 Solutions
Oracle 12c: SQL
Ch. 3 - Which command is used to create a table based on...Ch. 3 - Prob. 2RQCh. 3 - What guidelines should you follow when naming...Ch. 3 - What is the difference between dropping a column...Ch. 3 - Prob. 5RQCh. 3 - What happens to the existing rows of a table if...Ch. 3 - Explain the difference between truncating a table...Ch. 3 - Prob. 8RQCh. 3 - What happens if you try to decrease the scale or...Ch. 3 - Are a table and the data contained in the table...
Ch. 3 - Which of the following is a correct statement?
You...Ch. 3 - Prob. 2MCCh. 3 - Which of the following is not a correct...Ch. 3 - Which of the following is not a valid SQL...Ch. 3 - Which of the following is true? a. If you truncate...Ch. 3 - Which of the following commands creates a new...Ch. 3 - Which of the following commands drops any columns...Ch. 3 - Which of the following statements is correct?
A...Ch. 3 - Which of the following commands removes all data...Ch. 3 - Which of the following commands changes a table’s...Ch. 3 - Prob. 11MCCh. 3 - Which of the following is not a valid...Ch. 3 - Which of the following characters can be used in a...Ch. 3 - Which of the following is true?
All data in a...Ch. 3 - Prob. 15MCCh. 3 - Which of the following commands creates a new...Ch. 3 - Which of the following is a valid table name? a....Ch. 3 - Prob. 18MCCh. 3 - Which object in the data dictionary enables you to...Ch. 3 - Prob. 20MCCh. 3 - Create a new table containing the category code...Ch. 3 - Create a new table containing these four columns:...Ch. 3 - Add two columns to the EMPLOYEES table. One...Ch. 3 - Modify the Job_class column of the EMPLOYEES table...Ch. 3 - Prob. 5HOACh. 3 - Rename the EMPLOYEES table as JL_EMPS.
Ch. 3 - Create a new table containing these four columns...Ch. 3 - Prob. 8HOACh. 3 - Truncate the BOOK_PRICING table, and then verify...Ch. 3 - Delete the BOOK_PRICING table permanently so that...
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