Exam 10: Selected Single-Row Functions
Exam 1: Overview of Database Concepts108 Questions
Exam 2: Basic SQL Select Statements121 Questions
Exam 3: Table Creation and Management136 Questions
Exam 4: Constraints132 Questions
Exam 5: Data Manipulation and Transaction Control136 Questions
Exam 6: Additional Database Objects138 Questions
Exam 7: User Creation and Management130 Questions
Exam 8: Restricting Rows and Sorting Data132 Questions
Exam 9: Joining Data From Multiple Tables119 Questions
Exam 10: Selected Single-Row Functions133 Questions
Exam 11: Group Functions137 Questions
Exam 12: Subqueries and Merge Statements131 Questions
Exam 13: Views133 Questions
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Including MONTH in the format argument of the TO_DATE function indicates that the month is spelled out in the specified date._________________________
(True/False)
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The SUBSTR function is used to substitute one character string for another in a set of data._________________________
(True/False)
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Which of the following format model elements can be used to spell out a number?
(Multiple Choice)
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The ____________________ function converts character strings to lower-case letters.
(Short Answer)
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The NVL function can be used to include records containing null values in calculations.
(True/False)
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The table called DUMMY consists of a blank holding area that can be referenced by a user.
(True/False)
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The ____________________ function is used to determine the number of months between two dates.
(Short Answer)
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Use MON in the format argument to spell out the specified month.
(True/False)
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When a function is used in a SELECT statement,it only affects how the data are displayed in the results.
(True/False)
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Which of the following functions allows for different options,depending upon whether a NULL value exists?
(Multiple Choice)
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You can determine the number of characters in a column by using the COUNT function._________________________
(True/False)
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When functions are nested,the ____ function is solved first.
(Multiple Choice)
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If a SELECT statement includes SUBSTR(TO_CHAR(SYSDATE,'fmMONTH DD,YYYY'),-4,4)in the SELECT clause,which of these functions will be executed first?
(Multiple Choice)
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