Exam 5: Data Manipulation and Transaction Control
Exam 1: Overview of Database Concepts108 Questions
Exam 2: Basic Sql Select Statements122 Questions
Exam 3: Table Creation and Management132 Questions
Exam 4: Constraints132 Questions
Exam 5: Data Manipulation and Transaction Control132 Questions
Exam 6: Additional Database Objects132 Questions
Exam 7: User Creation and Management132 Questions
Exam 8: Restricting Rows and Sorting Data132 Questions
Exam 9: Joining Data From Multiple Tables131 Questions
Exam 10: Selected Single Row Functions133 Questions
Exam 11: Group Functions134 Questions
Exam 12: Subqueries and Merge Statements132 Questions
Exam 13: Views133 Questions
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When data is being entered into a VARCHAR2 or CHAR column using the INSERT command, the data will be stored in ____.
Free
(Multiple Choice)
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Correct Answer:
D
Which keyword permanently saves changed data in a table?
Free
(Multiple Choice)
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Correct Answer:
A
A substitution variable can be identified by the ____________________ symbol that precedes the variable name.
Free
(Short Answer)
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Correct Answer:
&
ampersand
A table can be locked in or EXCLUSIVE MODE. _________________________
(True/False)
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Which of the following statements about the INSERT keyword is incorrect?
(Multiple Choice)
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A subquery can be used with the INSERT command to enter data from an existing table into the destination table.
(True/False)
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When non-numeric data is being added to a table, the data must be enclosed in ____________________ quotation marks.
(Short Answer)
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When inserting a row into a table, how can you indicate that a row contains a NULL value?
(Multiple Choice)
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The ____________________ command is used to add data to an existing row in a table.
(Short Answer)
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If data is only being added to some of the columns in a table, the names of the columns must be listed in the VALUES clause.
(True/False)
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Which command is used to prevent other users from making changes to a table?
(Multiple Choice)
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If no value is assigned to a column when a row is added to a table, the column will contain a NULL value.
(True/False)
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When Oracle11g encounters a substitution variable, the user will be prompted for the actual value to be assigned to the variable.
(True/False)
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The data being inserted into a table are listed in the ADD clause of the INSERT command.
(True/False)
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A value can be included in the data being added to a table by explicitly entering the word NULL. _________________________
(True/False)
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If a(n) ____________________ clause is not included in the UPDATE command, then all rows in the table will be changed.
(Short Answer)
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A COMMIT is issued when the user exits SQL*Plus. _________________________
(True/False)
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The ____________________ command is used to permanently update a table and allow other users to view the changed data.
(Short Answer)
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