Reference no: EM13949403
Consider the following relational database schema:
CREATE TABLE ACCOUNTS
(
account_no char(12),
amount money,
CONSTRAINT PK_ACCOUNTS PRIMARY KEY(account_no)
)
CREATE TABLE PENDING_TRANSFERS
(
from_account_no char(12),
to_account_no char(12),
amount money,
CONSTRAINT PK_ PENDING_TRANSFERS PRIMARY KEY(from_account_no,
to_account_no),
CONSTRAINT FK_PENDING_TRANSFERS_FROM_ACCOUNT
FOREIGN KEY(from_account_no) REFERENCES ACCOUNTS(account_no),
CONSTRAINT FK_PENDING_TRANSFERS_TO_ACCOUNT
FOREIGN KEY(to_account_no) REFERENCES ACCOUNTS(account_no),
)
(a) Write three SQL statements: the first statement should add the pending amounts to the appropriate accounts, the second statement should subtract the pending amounts from the appropriate accounts, and the third statement should delete the pending balance transfer information.
(b) Explain the dangers of the sequence of statements in part (a) above, in terms of what would happen in case the database server or SQL interface were to crash in between two of these three statements.
(c) Show how to remove the dangers you described in part (b).
|
Compute the per-unit gross margin for each product
: Verify the overhead cost per unit reported by the consulting group using direct labor hours to assign overhead. Compute the per-unit gross margin for each product.
|
|
Review financials for childrens hospital of orange county
: After creating and/or reviewing the financials for Children's Hospital of Orange County (CHOC), does it appear that your company can become successful (or will remain successful for the long run)? Please explain the reasons for your response.
|
|
About the wording or tone that gives you a clue
: Author's purpose: Is the author's purpose to enlighten, inspire, inform, persuade, argue, report, describe, or something else (or some combination)? What does the author want the reader to think, do, feel, or know?
|
|
Also calculate the end of august
: The employment to population ratio, Also calculate the end of August 2007:
|
|
Explain the dangers of the sequence of statements
: Explain the dangers of the sequence of statements in part (a) above, in terms of what would happen in case the database server or SQL interface were to crash in between two of these three statements.
|
|
What is the materials price variance, and is it favorable or
: In 2015, Mitchell actually produced 5,000 units of product. Mitchell spent $497,250 on 25,500 pounds of DM (all of these materials were requisitioned by the production department in 2015). Mitchell spent $194,750 on 9,500 DL hours. What is the materi..
|
|
Which dividends are expected to grow at rate
: Huang Company's last dividend was $1.25. The dividend growth rate is expected to be constant at 30% for 3 years, after which dividends are expected to grow at a rate of 6% forever. If the firm's required return (r) is 11%, what is its current stock p..
|
|
Described the challenges you would face in policing
: For this assignment assume that you are a new chief of police or sheriff in an area adjacent to a large tribal area. In a 5 to 7 page APA formatted paper described the challenges you would face in policing along side Native Americans
|
|
Fred needs to start
: Fred needs to start saving for retirement
|