9636745
Description
Quiz by Hawerth Castro, updated more than 1 year ago
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Created by Hawerth Castro
over 6 years ago
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Question 1
Question
What do you call the elimination of redundant data?
Answer
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normalization
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de-duplication
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loopbacking
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reduxing
Question 2
Question
Which of the following indicates the elimination of repeating groups?
Answer
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1NF
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2NF
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3NF
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4NF
Question 3
Question
Which of the following indicates the elimination of redundant data?
Answer
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1NF
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2NF
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3NF
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4NF
Question 4
Question
Which of the following is not a condition for 1NF?
Answer
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Table must have no duplicate records.
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The table must have no multi-valued attributes.
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There are no primary keys.
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Entries in the column are of the same data type.
Question 5
Question
What would enable you to enforce the uniqueness property of columns, other than a primary key within a table?
Answer
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secondary key
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constant check
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validator
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unique constraint key
Question 6
Question
What is an attribute or set of attributes that can be used to uniquely identify the row?
Answer
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primary key
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second key
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unique constraint key
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foreign key
Question 7
Question
What key is replicated from the primary key of one table to a secondary table, and then all the key attributes get duplicated from the primary table?
Answer
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primary key
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second key
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unique constraint key
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foreign key
Question 8
Question
What type of index sorts the data stored inside the table?
Answer
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clustered index
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non-clustered index
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quick index
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primary index
Question 9
Question
What type of index has an index key value that points to a data row, which contains the key value?
Answer
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clustered index
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nonclustered index
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quick index
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primary index
Question 10
Question
What type of field would you make an employee ID?
Answer
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standard key
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foreign key
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unique constraint key
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secondary key
Question 11
Question
If you define a primary key, which of the following levels have you reached?
Answer
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1NF
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2NF
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3NF
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4NF
Question 12
Question
Which level eliminates columns not dependent on keys?
Answer
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1NF
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2NF
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3NF
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4NF
Question 13
Question
Which level of is reached by using primary keys on a table within a SQL Server database?
Answer
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1NF
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2NF
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3NF
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4NF
Question 14
Question
What structures are used when storing keys for a clustered index?
Answer
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root tree
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reverse root tree
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B-tree
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alphabetical
Question 15
Question
Which type of index uses pointers that point to row location?
Answer
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clustered index
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nonclustered index
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quick index
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primary index
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