Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 19MC
Which object in the data dictionary enables you to verify DEFAULT column settings?
- a. DEFAULT_COLUMNS
- b. DEF_TAB_COLUMNS
- c. USER_TAB_COLUMNS
- d. None of the above
Expert Solution & Answer
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Database
Q1:
Which one of the following INSERT statements will successfully insert a single row?
The following table has been created:
CREATE TABLE student_table (
stud_id NUMBER (6),
last_name VARCHAR2 (20),
first_name VARCHAR2 (20),
lunch_num NUMBER (4) ;
a) INSERT VALUES INTO student_table (143354, ‘Roberts’, ‘Cameron’, 6543);
b) INSERT INTO student_table COLMUNS (stud_id, last_name, lunch_num) VALUES (143352,
‘Roberts’, 5543, ‘Cameron’);
c) INSERT TO student_table (stud_id, lunch_num, first_name, last_name) VALUES (143352, 6543,
‘Cameron’, ‘Roberts’);
d) INSERT INTO student_table VALUES (143354, ‘Roberts’, ‘Cameron’, 6543);
Q2:
What does the following SQL statement display:
SELECT EMP_ID, LAST_NAME, SALARY
FROM EMPLOYEES WHERE
SALARY > (SELECT MIN (E. SALARY)
FROM EMPLOYEES E)
ORDER BY SALARY DESC;
a) Employees information who earn less money than the maximum salary
b) Employees information who earn more money than the highest employee salary
c) Employees information who earn…
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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