Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 5, Problem 10HOA
Execute a command that undoes the previous deletion.
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If you do not know where the update.txt file is located on your computer, print a copy.
(a) Which command makes updates permanent?(b) Which command reverses updates?
(c) Which updates are reversed?
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Chapter 5 Solutions
Oracle 12c: SQL
Ch. 5 - Which command should you use to copy data from one...Ch. 5 - Which command can you use to change the existing...Ch. 5 - Which of the following is a correct statement? a....Ch. 5 - Which of the following is a valid SQL...Ch. 5 - Which of the following statements deletes all rows...Ch. 5 - What is the maximum number of records that can be...Ch. 5 - Add a new row in the ORDERS table with the...Ch. 5 - Prob. 2HOACh. 5 - Save the changes permanently to the database.
Ch. 5 - Add a new row in the ORDERS table with the...
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- Race between processes is a condition resulting when locking is not used which causes incorrect final version of data. Select one: O True O Falsearrow_forwardOpen your text editor and create a new document named model.php model.php will contain functions that will connect to a database potentially return PDO statementobjects to the controller for processing. updateMessagesfunction updateMessages($id)This method will take a single parameter of id which is the saved id from the last or latest message displayed. It will conditionally select from the table “messages”, id, name, message, and time. The condition is that the field id is greater than the parameter for id. The return is the PDOStatement object with the row data from the query.arrow_forwardEach member in a group, create a directory (with your studentID) then create a file (.txt) with your first name, in the file, add text to tell your full name and describe in one line your short goal in this term as a student. Then, display the file content. Finally, rename the file (first nameGoal). You MUST have screenshots for the task and all steps (the commands and outputs).arrow_forward
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