Exam 35: Fine Tuning the Database: Analyzing and Improving Database Performance

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________ mode guarantees that you are the only one currently using the database.

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Verified

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The ________ evaluates a database and makes recommendations for optimizing the database.

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Which of the following can be tested by creating relationships?

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When a database has been converted to an .accde file,it can be converted back to its source format (accdb).

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________ dependencies occur when the value of one non-key field is functionally dependent on the value of another non-key field.

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What is the difference between first,second,and third normal form?

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What is database security?

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Match the following terms with their meanings:
non-key field
an error or inconsistency that occurs when you add,edit,and delete data
encryption
a primary key that is made up of two or more fields
composite key
the process of altering digital information using an algorithm to make it unreadable to anyone except those who possess the key
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Responses:
non-key field
an error or inconsistency that occurs when you add,edit,and delete data
encryption
a primary key that is made up of two or more fields
composite key
the process of altering digital information using an algorithm to make it unreadable to anyone except those who possess the key
anomaly
a field that is not part of the primary key
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Which Performance Analyzer result requires manual changes?

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A(n)________ is a rule that indicates the current state of a table.

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What is a certification authority?

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A table that contains no repeating groups or repeating columns is in:

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A table is in ________ if it meets 1NF criteria and all non-key fields are functionally dependent on the entire primary key.

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The main reason to split an Access database is to improve development and maintenance.

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A back-end database contains the queries,forms,and reports of the database.

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A(n)________ is an error or inconsistency within a database.

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A certification authority is a commercial company that issues and validates identities using digital signatures for a fee.

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Which of the following is NOT a tool database administrators can use to improve the performance of a database?

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________ is the protection of data from unauthorized access,change,or destruction.

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A conversion to a 3NF removes dependencies on part of a composite primary key.

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