Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 3, Problem 3HOA
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.
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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
The Horse table has the following columns:
ID - integer, primary key
RegisteredName - variable-length string
Breed - variable-length string
Height - decimal number
BirthDate - date
Write a SELECT statement to select the registered name, height, and birth date for only horses that have a height between 15.0 and 16.0 (inclusive) or have a birth date on or after January 1, 2020.
Add two columns to the EMPLOYEES table. One column, named EmpDate, contains thedate of employment for each employee, and its default value should be the system date. Thesecond column, named EndDate, contains employees’ date of termination.
When I put this formal it says, line 2 has invalid identifier! Can you help me what I need to fix from line 2?
alter table EMPLOYEES2add column EmpDate date = getdate(),add column EndDate;
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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- How do you indicate that a column alias should be used?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_forwardModify the Job_class column of the EMPLOYEES table so that it allows storing a maximum width of two characters.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_forwardWrite a SELECT statement that returns two columns basedon the EMPLOYEES table. Contact, is the employeelastname and the first initial of the first name. The secondcolumn, Phone, is the homephone without the area code.Only return rows for those employees in the 206 areacode, sort the results by the last name.arrow_forwardCREATE TABLE employees ( employee_number int NOT NULL, last_name char(50) NOT NULL, first_name char(50) NOT NULL, salary int, dept_id int, CONSTRAINT employees_pk PRIMARY KEY (employee_number) ) ; INSERT INTO employees (employee_number, last_name, first_name, salary, dept_id) VALUES (1001, Smith', 'John', 62000, 500); INSERT INTO employees (employee_number, last_name, first_name, salary, dept_id) VALUES (1002, 'Anderson', 'Jack', 57500, 500); INSERT INTO employees (employee_number, last_name, first_name, salary, dept_id) VALUES (1003, 'Everest', 'Brad', 71000, 501); INSERT INTO employees (employee_number, last_name, first_name, salary, dept_id) VALUES (1004, Horvath', 'Jack', 42000, 501); PROBLEMS: 1. Create a select statement that will show all employees that have more than 50000 as their salary. 2. Create a select statement that will show all employees belonging into department 501. 3. Create a select statement that has a first name of Jack arranged them alphabetically in ascending…arrow_forward
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