Exam 14: Tables and Queries in Relational Databases: Designing Databases and Extracting Data

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Spaces should be included in field names.

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If data from an Excel worksheet is imported into Access and no column headings exist,the data will import using:

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In most cases,it is advisable to enforce referential integrity in databases with related tables.

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What are the three ways to run a query?

(Essay)
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Match the following terms to their meanings:
brackets ([ ])
matches any a single character in the same position
Simple Query Wizard
guides the user through the query design process
asterisk (*)
joined through a common field
Correct Answer:
Verified
Premises:
Responses:
brackets ([ ])
matches any a single character in the same position
Simple Query Wizard
guides the user through the query design process
asterisk (*)
joined through a common field
question mark (?)
matches for any number of characters
related tables
matches any single character
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When you add two or more tables to a query,you must manually create new join lines.

(True/False)
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What is one important limitation of the Simple Query Wizard?

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The data type of a field determines the type of operations that can be performed on that field.

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A(n)________ relationship requires a table called a junction table.

(Short Answer)
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Data redundancy may result in errors.

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A(n)________ produces a value from an expression or function that uses one or more fields in a database.

(Short Answer)
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You use the ________ view to create queries.

(Short Answer)
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Multitable queries take advantage of table relationships in a database.

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Comparison operators include *,?,and [ ].

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Good database design begins with the forms of the database.

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Why might you want to import data rather than creating a new database from scratch?

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The ________ Wizard guides you through the query design process in Access.

(Short Answer)
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The ________ data type is used for fields that will be used in mathematical calculations except those involving money.

(Short Answer)
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Which of the following is NOT a guideline for adding fields to a database table?

(Multiple Choice)
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Match the following terms to their meanings:
NOT logical operator
query results will display records that match any of the specified criteria
null
query results will display only records that match all criteria
OR logical operator
displays a data source
Correct Answer:
Verified
Premises:
Responses:
NOT logical operator
query results will display records that match any of the specified criteria
null
query results will display only records that match all criteria
OR logical operator
displays a data source
wildcard
a blank field
AND logical operator
special characters that represent one or more characters in a text value
(Matching)
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