Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 6HOA
Rename the EMPLOYEES table as JL_EMPS.
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Create "automatically" the table header represented by the left column, the functions used mysql_list_fields and mysql_field_name
1) Write the SQL code that will create the table structure for a table named EMP. This table is a subset of the EMPLOYEE table. The basic EMP table structure is summarized in the table below. (Note that the EMP_NUM is the PK)?
ATTRIBUTE(FIELD) NAME
DATADECLARATION
Constraints
EMP_NUM
INT
Auto generated Identifier, start from 101
EMP_LNAME
VARCHAR(15)
Not null
EMP_FNAME
VARCHAR(15)
Not Null
EMP_INITIAL
CHAR(1)
EMP_HIREDATE
DATE
Default value is system date
JOB_CODE
CHAR(3)
Make sure input is in the range500,501,502
A Column spanner in a table should describe which of the following?
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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- Which of the following characters can be used in a table name? a. b. ( c. % d. !arrow_forwardCreate a table named BOOK_STORES to include the columns listed in the following chart.arrow_forwardAdd 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_forward
- How do you indicate that a column alias should be used?arrow_forwardExplain the difference between truncating a table and deleting a table.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
- 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_forwardHow do you add data from an existing table to another table?arrow_forwardWrite ALTER TABLE statements for each table to create Primary Keys and Foreign Keys where applicable. (Preferable save to notepad) use exercise2: CREATE TABLE CUSTOMER ( CUS_CODE int, CUS_LNAME varchar(15), CUS_FNAME varchar(15), CUS_INITIAL varchar(1), CUS_AREACODE varchar(3), CUS_PHONE varchar(8), CUS_BALANCE float(8) ); INSERT INTO CUSTOMER VALUES('10010','Ramas','Alfred','A','615','844-2573','0'); INSERT INTO CUSTOMER VALUES('10011','Dunne','Leona','K','713','894-1238','0'); INSERT INTO CUSTOMER VALUES('10012','Smith','Kathy','W','615','894-2285','345.86'); INSERT INTO CUSTOMER VALUES('10013','Olowski','Paul','F','615','894-2180','536.75'); INSERT INTO CUSTOMER VALUES('10014','Orlando','Myron','','615','222-1672','0'); INSERT INTO CUSTOMER VALUES('10015','O''Brian','Amy','B','713','442-3381','0'); INSERT INTO CUSTOMER VALUES('10016','Brown','James','G','615','297-1228','221.19'); INSERT INTO CUSTOMER…arrow_forward
- The data table is off by its numbers, help me fix pleasearrow_forwardAn "Orders" table has 30 columns, and the report only needs the order total by date. Which transformation should you perform?arrow_forwardg) Write the needed MYSQL code to change the Sales Rep number of the employee with CustName "Winston" to 765. h) Write the needed MYSQL code to delete the rows for customers with name 'Miles'.arrow_forward
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