Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 3, Problem 9RQ
What happens if you try to decrease the scale or precision of a NUMBER column to a value less than the data already stored in the field?
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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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- In order to prevent the duplicate values to be inserted to a column of a table, we use the DISTINCT keyword when creating the table. True Falsearrow_forwardA Column spanner in a table should describe which of the following?arrow_forwardThe head of hospital auditing wants to know which patients were charged the most for a treatment. The result table should list three columns from the treatment table appropriately labeled: pat_id, actual_charge, and service _id .Only list rows where the patient was charged the most for a treatment. This may result in some rows where patients were charged identical amounts to other patients. Sort the rows by service_id. Use a correlated subquery. Format the output appropriately.arrow_forward
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- Modify the Job_class column of the EMPLOYEES table so that it allows storing a maximum width of two characters.arrow_forwardThe SERVICE_REQUEST table uses the CHAR data type for the DESCRIPTION and STATUS fields. Is there an alternate data type that could be used to store the values in these fields? Justify your reason for choosing an alternate data type or for leaving the data type as CHAR.arrow_forwardWhat is the purpose of a column alias?arrow_forward
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