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Q31. Which statement will result in the creation of an index?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q32. Which permission does a user need in order to run a stored procedure?
A. EXECUTE
B. ALLOW
C. CALL
D. RUN
Answer: A
Q33. A named group of SQL statements that can be executed in a database is called a:
A. Subroutine
B. Formula
C. Stored procedure
D. Method
Answer: C
Q34. You need to enable a new employee to authenticate to your database.
Which command should you use?
A. ALLOW USER
B. CREATE USER
C. ADD USER
D. INSERT USER
E. ALTER USER
Answer: B
Q35. One reason to add an index is to:
A. Decrease storage space.
B. Increase database security.
C. Improve performance of select statements.
D. Improve performance of insert statements.
Answer: C
Q36. HOTSPOT
You have two database tables as defined below. The StateID column is unique in the State table. The AddressID column is unique in the Address table. The two tables are related by the StateID column.
Instructions: Use the drop-down menus to select the answer choice that completes each statement. Each correct selection is worth one point.
Answer:
Q37. You have a table that contains the following data.
Which database term is used to describe the relationship between ProductID and ProductCategory?
A. Cohort
B. Relationally dependent
C. Deterministic
D. Functionally dependent
E. Compositional
Answer: D
Q38. One difference between a function and a stored procedure is that a function:
A. Must be called from a trigger.
B. Must return a value.
C. Cannot contain a transaction.
D. Cannot accept parameters.
Answer: B
Q39. HOTSPOT
The following graphic shows the components of a SQL Server application. You access the SQL Server application through Internet Explorer.
Instructions: Use the drop-down menus to select the answer choice that completes each statement. Each correct selection is worth one point.
Answer:
Q40. 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.
Answer:
Q41. DRAG DROP
Your class project requires that you help a charity set up a website.
The website collects information about volunteers. Each volunteer record must be uniquely identified.
The following information is stored for each volunteer:
Given name
Surname
Date of birth
Phone number
Photo
You need to create a table to meet the requirements.
Match the Structured Query Language SQL statements to the SQL query.
Instructions: To answer, drag the appropriate SQL statement from the column on the left to its place in the SQL query on the right. Each SQL statement may be used once, more than once, or not at all. Each correct match is worth one point.
Answer:
Q42. Denormalization is performed in order to:
A. Reduce redundancy.
B. Eliminate repeating groups.
C. Create smaller tables.
D. Improve query performance.
Answer: D
Q43. Your class project requires that you help a charity to create a website that registers volunteers.
The website must store the following data about the volunteers:
Given name
Surname
Telephone number
Email address
You need to recommend a correct way to store the data.
What do you recommend?
A. Create a table that contains columns that are named given name, surname, phone number, and email.
B. Create a table that contains rows that are named given name, surname, phone number, and email.
C. Create a view that contains columns that are named given name surname, phone number, and email.
D. Create a view that contains rows that are named given name surname, phone number, and email
Answer: A
Q44. You have a database table that contains the following columns:
You must insert the following record into the table:
Which two Structured Query Language (SQL) statements can you use? (Choose two.)
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A,C
Q45. The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?
A. View
B. Function
C. Index
D. Stored procedure
E. Trigger
Answer: C