100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
WGU C170 Basic SQL and Advanced SQL| WITH COMPLETE SOLUTIONS $8.49   Add to cart

Exam (elaborations)

WGU C170 Basic SQL and Advanced SQL| WITH COMPLETE SOLUTIONS

 5 views  0 purchase
  • Course
  • Institution

An alias is especially useful when a table must be joined to itself in a(n) ___________________ query. Correct Answer: recursive The ___________ condition is generally composed of an equality comparison between the foreign key and the primary key of related tables. Correct Answer: join A da...

[Show more]

Preview 2 out of 11  pages

  • October 21, 2022
  • 11
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
avatar-seller
WGU C170 Basic SQL and Advanced SQL| WITH
COMPLETE SOLUTIONS
An alias is especially useful when a table must be joined to itself in a(n) ___________________
query. Correct Answer: recursive

The ___________ condition is generally composed of an equality comparison between the
foreign key and the primary key of related tables. Correct Answer: join

A database language enables the user to create database and table structures to perform basic
data management chores. Correct Answer: TRUE

______________________ is the process the DBMS uses to verify that only registered users
access the database. Correct Answer: Authentication

Only numeric data types can be added and subtracted in SQL. Correct Answer: FALSE

A table can be deleted from the database by using the _______________________ command.
Correct Answer: DROP TABLE

To list all the contents of the PRODUCT table, a user would use
________________________________ Correct Answer: SELECT * FROM PRODUCT

All SQL commands must be issued on a single line. Correct Answer: FALSE

Mathematical operators cannot be used to place restrictions on character-based attributes. Correct
Answer: FALSE

A(n) _____________________ is a query that is embedded (or nested) inside another query.
Correct Answer: subquery

"The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the
V_NAME, V_AREACODE, V_PHONE, and V_CONTACT fields from the VENDOR table
where the values of V_CODE match is
________________________________________________ Correct Answer: "SELECT
P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM
PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE;"

In the SQL environment, the word ___________ covers both questions and actions. Correct
Answer: query

The SQL aggregate function that gives the total of all values for a selected attribute in a given
column is _______ Correct Answer: SUM

String comparisons are made from left to right. Correct Answer: TRUE

, Date procedures are often more software-specific than other SQL procedures. Correct Answer:
TRUE

To make the output more readable, the SQL standard permits the use of aliases for any column in
a _____________ statement. Correct Answer: SELECT

A(n) _________________ order sequence is a multilevel ordered sequence that can be created
easily by listing several attributes, separated by commas, after the ORDER BY clause. Correct
Answer: cascading

Data type selection is usually dictated by the nature of the data and by the intended use. Correct
Answer: TRUE

The ANSI prescribes a standard SQL-the current fully approved version is known as SQL 07.
Correct Answer: FALSE

The COUNT function is designed to tally the number of non-null "values" of an attribute, and is
often used in conjunction with the DISTINCT clause. Correct Answer: TRUE

Which of the following queries will use the given columns and column aliases from the
PRODUCT table to determine the total value of inventory held on hand? Correct Answer:
"SELECT P_DESCRIPT, P_QOH, P_PRICE, P_QOH*P_PRICE FROM PRODUCT;"

A database language enables the user to perform complex queries designed to transform the raw
data into useful information. Correct Answer: TRUE

DATE() and SYSDATE are special functions that return today's date in MS Access and
__________________, respectively. Correct Answer: Oracle

Which of the following queries will output the table contents when the value of the character
field P_CODE is alphabetically less than 1558-QW1? Correct Answer: "SELECT P_CODE,
P_DESCRIPT, P_QOH, P_MIN, P_PRICE FROM PRODUCT WHERE P_CODE <'1558-
QW1';"

The ____________________ command is used to restore the database to its previous condition.
Correct Answer: ROLLBACK;

According to the rules of precedence, which of the following computations should be completed
first? Correct Answer: Performing operations within parentheses

Which of the following queries will output the table contents when the value of V_CODE is
equal to 21344? Correct Answer: "SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
FROM PRODUCT WHERE V_CODE = 21344;"

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80202 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$8.49
  • (0)
  Add to cart