[Free] 2018(Aug) Ensurepass Microsoft 98-364 Dumps with VCE and PDF 41-50

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Database Fundamentals

Question No: 41

You execute the following statement:

SELECT EmployeeID, FirstName, DepartmentName FROM Employee, Department

This type of operation is called a/an:

  1. Intersection

  2. Outer join

  3. Equi-join

  4. Cartesian product

Answer: D

Question No: 42

You have a table named Customer. You need to add a new column named District. Which statement should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: D

Question No: 43 HOTSPOT

Instructions: For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.

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Answer:

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Explanation:

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C:\Users\Kamran\Desktop\image – Copy.jpg

Question No: 44

The terms quot;bitmap,quot; quot;b-tree,quot; and quot;hashquot; refer to which type of database structure?

  1. View

  2. Function

  3. Index

  4. Stored procedure

  5. Trigger

Answer: C

Question No: 45

Which two elements are required to define a column? (Choose two.)

  1. A name

  2. A key

  3. An index

  4. A data type

Answer: A,D

Question No: 46

What defines the amount of storage space that is allocated to a value in a column?

  1. format

  2. key

  3. data type

  4. validator

Answer: C

Question No: 47

Which command should you use to remove a table from a database?

  1. REMOVE TABLE

  2. UPDATE TABLE

  3. DROP TABLE

  4. DELETE TABLE

Answer: C

Question No: 48

You have the following table definition: CREATE TABLE Product

(ID INTEGER PRIMARY KEY, Name VARCHAR(20),

Quantity INTEGER)

The Product table contains the following data.

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You execute the following statement:

SELECT Name FROM Product WHERE Quantity IS NOT NULL How many rows are returned?

  1. 0

  2. 1

  3. 2

  4. 3

  5. 4

Answer: D

Question No: 49

This question requires that you evaluate the underlined text to determine if it is correct.

The UNION keyword combines the results of two queries and returns only rows that appear in both result sets.

Instructions: Review the underlined text. If it makes the statement correct, select quot;No change is needed.quot; If the statement is incorrect, select the answer choice that makes the

statement correct

  1. No change is needed

  2. INTERSECT

  3. ALL

  4. UOIN

Answer: B

Question No: 50

You have the database table named Cars as defined below:

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You have the following Structured Query Language (SQL) statement:

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How many rows are returned by the SQL statement?

  1. 4

  2. 5

  3. 6

  4. 7

Answer: A

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