Thursday, May 16, 2002
Problem 1. Packed-Bed Reactors. 25 pts.
A second order catalytic reaction
is carried out in an isothermal packed-bed reactor containing spherical catalyst pellets. The exit
conversion is 85%. The reactant a
Exam 3 Solutions
Thursday, April 25, 2002
Problem 1. PFR Energy Balance. 25 pts.
The rst-order reaction
is carried out in a tubular reactor. Costs dictate that we must reach 90% conversion
for this process to be feasible. We would like
1. Adverse selection: People who drive more and under stopandgo traffic and dusty
conditions (and, therefore, need to change their oil more frequently) will be more
inclined to buy insurance policies that cover oil changes.
2. Moral Ha
MIS 204 Exam 1
Study online at quizlet.com/_ad4j3
A large software manufacturer attempts
to lock in customers by making it difficult
for customers to change to another
product. Identify the strategy used here.
Question 5. (5 points) In the standard principal agent problem, the agents cost
function associated with effort, c(a), is positive, increasing and concave.
Question 6. (5 points) Individual mandate requirement a
Hierarchical Query operators
Each SQL Server arithmetic operator has an exact MySQL equivalent, and therefore no action is
necessary when migrating from SQL Server to MySQL.
SQL Server arithmetic operators
guidance and a simple Perl conversion utility. MySQL is in discussions with several
partners on providing this functionality, but until a mechanized solution is reached, there
are several options open to performing code migration:
Contact MySQL Profession
E08 120 mt: Midterm Exam Spring 2014 3
[cfw_ PD 4. Draw a picture that helps explain the main idea behind the pumping lemma for CFLs.
You picture should include labels 5', A, and u, v,x,y, 2. Then, With no more than a couple of
sentences, explain the proo
Which of the following
pieces of information, if
true, would confirm that a
decision is operational?
- Does not require
collaboration, concerns dayto-day activities
- At the low end of the x-axis
- Highly structured question
Which of the follo
Figure 1: Industry Leaders Rely on MySQL
Measuring the Costs of using SQL Server vs. MySQL
In MySQLs annual surveys, lower cost is consistently shown to be the number one reason why users
Microsoft changed the SQL Server pricing from Per Pro
From both a business and a technical perspective, the question of whether a migration to MySQL from
SQL Server makes sense is easily answered. Countless organizations are enjoying huge cost savings
with MySQL for their web, custom enterprise an
DECLARE CONTINUE HANDLER FOR SQLEXCEPTION
SET "@ERROR" = 1 ;
INSERT groupmessageboardreplies (
"@body" ) ;
IF "@ERROR" = 0 THEN
set replycount = reply
Replace DATEADD with ADDDATE()
The MySQL function ADDDATE() replaces DATEADD(). For example:
DATEADD(dd, -14, GETDATE()
ADDDATE(NOW(),INTERVAL -14 DAY) ;
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
This exact syntax works in MySQL and
Appendix E Sample Migration
This section provides a simple example of moving an SQL Server 2008 database
schema over to MySQL using the MySQL Migration Toolkit.
Sample SQL Server Schema
The SQL Server 2008 schema is a small database used for tracking fina
Which of the following statements is true about REM
a) We need REM sleep to function and will die if we
deprive ourselves of it
b) REM sleep duration reduces per sleep cycle
c) Adults need more REM sleep compared to babies
d) REM sleep may be
Daily rhythms of our
behaviour follow a 24 hour
cycle (general activity,
The SCN, suprachiasmatic
nucleus, is responsible for
timing our sleep cycles
The SCN is entrained by
light via proje
Sound, the stimulus
Sounds are perceived when the
vibrations fall within the 30 to 20 000
times per second range (Hz)
The basilar membrane is organized tonotopically.
This means that soundw
when migrating from SQL Server to MySQL.
SQL Server in conditions
expression IN cfw_value_list | (subquery)
Returns TRUE if expression equals any value in value_list (or returned by subquery), UNKNOWN if either
argument is NULL, FALSE otherwise.
points in the domain of 6 and
E08 120 mt: Midterm Exam Spring 2014 1
1 Fill in the blank
Fill in the boxes. All answers are numbers.
1. A DFA M = (Q,E,6,q0,F) has lQI = 10 states and IEI = 5 characters. Then there are
points in the domain of (5 and
REFERENCES BROKER (BROKER_ID)
- CREATE Indexes
-CREATE NONCLUSTERED INDEX CLIENT_TRANSACTION_BROKER
IF EXISTS (SELECT * FROM sysindexes WHERE id=OBJECT_ID('CLIENT_TRANSACTION') AND
Anticipated user presence it is critical that the test simulate the number of user connections
that are expected during peak times and normal working hours. This is the major area where
manual methods that pick a subset of users to test a database and ap
Step 1: Document SQL Server Sources
Documenting an existing SQL Server database structure can be challenging if it is attempted by standard
manual processes. While SQL Server has a very good metadata dictionary to work with, the process of
The MySQL Workbench Migration Tool is designed to save DBA and developer time by providing visual,
point and click ease of use around all phases of configuring and managing the SQL Server to MySQL
Migration project management - allows m
2. Show graphically and explain why a firm with u-shaped AC cost curves will produce when
APL>MPL (6 points).
3 points for explanation, 3 points for graph: Firms produce where MC > AVC, which is
equivalent to the
Induction hypothesis: Assume that for any formula U with the height of its parse tree less
than or equal to k, U has a finite length.
Induction step: Let A be a formula with the height of the parse k + 1.
Case 1. Let A = (U ). Since the height of the p