Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 3, Problem 10RQ
Are a table and the data contained in the table erased from the system permanently if a DROP TABLE command is issued on the table?
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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 is true? All data in a table can be recovered if the table is dropped with the PURGE option. All data in a table can be recovered from the recycle bin if the table is dropped. All data in a table is lost if the table is dropped. All of the above statements are true.arrow_forwardWrite the commands to obtain the following information from the system catalog. Do not execute these commands unless your instructor asks you to do 30. a. List every column in the GUIDE table and its associated data type. b. List every table that contains a column named TRIP_ID. c. List the table name, column name, and data type for the columns named TRIP_ID,TRIP_NAME, and TYPE. Order the results by table name within column name. (Thatis, column name is the major sort key and table name is the minor sort key.)arrow_forwardWhich of the following commands can be used to enable a disabled constraint? a. ALTER TABLE MODIFY b. ALTER TABLE ADD c. ALTER TABLE DISABLE d. ALTER TABLE ENABLEarrow_forward
- Write the commands to obtain the following information from the system catalog. Do not execute these commands unless your instructor specifically asks you to do so. a. List every column in the CONDO_UNIT table and its associated data type. b. List every table that contains a column named OWNER_NUM.arrow_forwardHow is the processing of SQL DDL statements (such as CREATE TABLE) different from the processing required by DML statements?arrow_forwardIn the initial creation of a table, if a UNIQUE constraint is included for a composite column that requires the combination of entries in the specified columns to be unique, which of the following statements is correct? a. The constraint can be created only with the ALTER TABLE command. b. The constraint can be created only with the table-level approach. c. The constraint can be created only with the column-level approach. d. The constraint can be created only with the ALTER TABLE MODIFY command.arrow_forward
- write a trigger that will be activated after a DELETE activity. The trigger will INSERT all deleted data to a backup table having same attributes as original tablearrow_forwardIf you wanted to update another table with new records for every row updated, deleted, or inserted entered into a given table, you'd include the keywords in your trigger creation statement.arrow_forward24-Create a SQL statement to Add a CHECK constraint on the ROOM_STATUS column in the ROOMS table. It must accept Available or Occupied values only.arrow_forward
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