Exam 3: Table Creation and Management
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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The DELETE TABLE command can be used to delete all the data stored in a table and release the storage space,yet retain the structure of the table._________________________
(True/False)
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A column's ____________________ identifies the type of data that can be stored in a column.
(Short Answer)
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If a column is defined as NUMBER(5,2),which of the following is true?
(Multiple Choice)
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The DROP TABLE command can be used to remove a table and all its data from a database.
(True/False)
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The default format for a DATE column is ____________________.
(Short Answer)
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The CREATE TABLE command is used to create a table in Oracle 12c._________________________
(True/False)
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The width of a NUMBER column cannot be changed once it contains data._________________________
(True/False)
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Which of the following commands will set the MINRETAIL column of the PROMOTION table as unused?
(Multiple Choice)
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Which of the following symbols can be used in a column name?
(Multiple Choice)
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The default format of a DATE column in Oracle 12c is DD-MON-YY.
(True/False)
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Data manipulation language commands are used to create or modify database tables._________________________
(True/False)
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The maximum width of a NUMBER column is 25 digits._________________________
(True/False)
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Structure of the CUSTOMERS table
-Which of the following commands will increase the size of the CITY column in the CUSTOMERS table from 12 to 20 and increase size of the LASTNAME column from 10 to 14?

(Multiple Choice)
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The ____________________ TABLE command can be used to delete and release the storage space of all data contained in a database table,while still retaining the table's structure.
(Short Answer)
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The INTERVAL datatype can be used to identify a specific interval,or amount,of time.
(True/False)
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Once a column as been set as UNUSED,it cannot be recovered._________________________
(True/False)
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