DATABASE FUNDAMENTALS 98-
364(EXAMSLABS) ACTUAL EXAM COMPLETE
138 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW!!.
The terms 'bitmap', 'b-tree', and 'hash' refer to which type of database
structure? ✔✔CORRECT ANSWER✔✔Index
What statement creates a composite key? ✔✔CORRECT
ANSWER✔✔CREATE TABLE Order
(OrderID INTEGER,
OrderItemID INTEGER,
PRIMARY KEY (OrderID, OrderItemID))
You need to combine the results of two queries into a single result that
contains all of the rows from both queries.
Which Structured Query Language (SQL) statement should you use?
✔✔CORRECT ANSWER✔✔UNION
,The __________ command removes one or more table definitions and
all data, indexes, triggers, constraints, and permission specifications for
those tables. ✔✔CORRECT ANSWER✔✔DROP TABLE
You execute a statement inside a transaction to delete 100 rows from a
table. The transaction fails after only 40 rows are deleted.
What is the result in the database? ✔✔CORRECT ANSWER✔✔No rows
will be deleted from the table
You need to rename a column in a database table.
Which data definition language (DDL) statement should you use?
✔✔CORRECT ANSWER✔✔ALTER
Use the __________ statement to add a new table in a database.
✔✔CORRECT ANSWER✔✔CREATE
In a database table, each __________ represents a unique record.
✔✔CORRECT ANSWER✔✔Row
A view can be used to _______________. ✔✔CORRECT
ANSWER✔✔Limit access to specific rows or columns of data in a table
First normal form requires that a database excludes _______________.
✔✔CORRECT ANSWER✔✔repeating groups
, ____________ are database objects that contain all of the data in a
database. ✔✔CORRECT ANSWER✔✔Tables
You develop a database to store data about textbooks. The data must
be stored to process at a later time.
Which database object should you use to store the data? ✔✔CORRECT
ANSWER✔✔Table
You execute the following statement:
SELECT EmployeeID, FirstName, DepartmentName
FROM Employee, Department
This type of operation is called a/an: ✔✔CORRECT
ANSWER✔✔Cartesian product
How would you create a composite key? ✔✔CORRECT
ANSWER✔✔CREATE TABLE Order
(OrderID INTEGER,
OrderItemID INTEGER,
PRIMARY KEY (OrderID, OrderItemID))
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