Exam 3: Structured Query Language
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One way to specify all of the columns of a table is to use the special character * after the SQL keyword ________.
(Short Answer)
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Which SQL keyword is used to specify a condition that rows must meet to be included in the results of an SQL SELECT query?
(Multiple Choice)
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Microsoft Access SQL allows table structures to be modified by using the standard SQL ________ command.
(Short Answer)
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Which type of join,although not included in standard SQL,was created to allow unmatched rows to appear in the result of a join operation?
(Multiple Choice)
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Conditions after the WHERE keyword require single quotes around the values for columns that have which data type?
(Multiple Choice)
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In SQL,the IS NULL keyword can be used to select on records containing NULL values in a particular column.
(True/False)
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Which of the following is not a standard data type used in SQL?
(Multiple Choice)
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For a column to be defined as the primary key using table constraints,the column must have been given the property NULL.
(True/False)
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To force the DBMS to remove duplicate rows from the results of an SQL SELECT query,the keyword DISTINCT must be used.
(True/False)
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The values of existing data can be removed from a table using the SQL ________ command,which can even be used to remove all the data in the table at one time.
(Short Answer)
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Which symbol is used in standard SQL as a wildcard to represent a single,unspecified character?
(Multiple Choice)
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In Microsoft Access,standard SQL table creation syntax items not supported by Access SQL can generally be implemented by:
(Multiple Choice)
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Standard SQL does not allow built-in functions to be used in a WHERE clause.
(True/False)
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In SQL,the order of the rows that result from a SELECT statement can be set using the SORT BY phrase.
(True/False)
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Which of the following standard SQL data types is not supported in Microsoft Access SQL?
(Multiple Choice)
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