Exam 3: The Relational Model 2: SQL
Exam 1: Introduction to Database Management50 Questions
Exam 2: The Relational Model 1: Introduction, QBE, and Relational Algebra50 Questions
Exam 3: The Relational Model 2: SQL75 Questions
Exam 4: The Relational Model 3: Advanced Topics50 Questions
Exam 5: Database Design 1: Normalization50 Questions
Exam 6: Database Design 2: Design Method75 Questions
Exam 7: Dbms Functions50 Questions
Exam 8: Database Administration50 Questions
Exam 9: Database Management Approaches75 Questions
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You can combine values in character fields using the & operator.
(True/False)
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Which function calculates the number of entries in a table?
(Multiple Choice)
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Describe five data types that you will often encounter when working with databases.
(Essay)
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You can use the GROUP BY clause and the ORDER BY clause in the same SELECT statement.
(True/False)
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Based on the code shown, which query lists the number, name, and complete address of every customer located on a street that contains the letters "Oxford"???Customer ( CustomerNum, CustomerName, Street, City, State, PostalCode, Balance, CreditLimit, RepNum )
(Multiple Choice)
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Use the word ____________ in the query to specify that data should be sorted in high to low order.
(Short Answer)
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While not always required, how should you end an SQL command?
(Multiple Choice)
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When you connect simple conditions using the ____________________ operator, the compound condition will be true whenever any of the simple conditions are true.
(Short Answer)
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What clause do you use in a query to save the results of the query as a table?
(Multiple Choice)
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When you use a name containing a space in Access SQL, what must you do to specify the table or column name?
(Multiple Choice)
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The ____________________ of two tables is a table containing all rows that are in either the first table, the second table, or both.
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You use the SQL ____________________ command to create a table by describing its layout.
(Short Answer)
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Describe how to construct a complex join query in a systematic fashion.
(Essay)
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The two tables involved in a join operation must have the same structure.
(True/False)
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How many lines of output are produced when rows are grouped?
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The ____________ clause is to groups as the WHERE clause is to rows.
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Discuss the restriction about the structure of two tables involved in a union.
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When rows are grouped, one line of output is produced for each group.
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