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STSCI 5060 Final Project
(Fall 2019)
Important: This project must be submitted by 4:30 PM, December 16, 2019, and any overdue
project will not be accepted. It is a one-person project. Cornell’s Code of Academic Integrity is strictly
enforced. Do your own work! First, read the following General Instructions carefully before you start.
General Instructions
1. Coding:
A. At the very beginning, start your Oracle and SAS code with the following comment block.
/* Fall 2019 STSCI 5060 Final Project */
/* Name: */
/*NetID: */
B. Use ORACLE SQL DEVELOPER for SQL coding unless otherwise specified.
C. If a task can be done with Oracle SQL*PLUS or with SAS PROC SQL, use Oracle SQL*PLUS.
You use SAS PROC SQL only when you are explicitly told to do so.
D. Always leave a blank line between any two blocks of code.
E. When you code in Oracle, start each project step with a title like:
i. ttitle '******** Step # ********' skip 2 (# is the step number).
F. When you code in SAS, start your project step with a title like:
i. title '******** Step # ********'; (# is the step number).
If this guideline is not followed, up to 5 points will be taken off.
G. Set your line size (e.g., 5000) and page size (e.g., 1000) properly so that you produce wellorganized
outputs, e.g., your Oracle output should not wrap to next line(s). If your output is
messy without following this guideline, up to 5 extra points will be taken off.
H. Insert a brief comment at the beginning of a code block to briefly explain what the code
does. Up to 5 extra points will be taken off if these comments are missing.
2. Submission:
A. Your Oracle code/script, named LastName_FirstName_Oracle_Fall2019STSCI5060FP.sql
(Note: use your real name to replace LastName_FirstName, the same below).
B. Your SAS code, named LastName_FirstName_SAS_Fall2019STSCI5060FP.sas.
C. All the Oracle script outputs, i.e., your Oracle query results, named
LastName_FirstName_SQL_output.txt. You may produce this file in a new, single run after all
your code works correctly, but you will need to first drop some tables, e.g., State_t,
School_Finance_2010_t, School_Finance_2015_t, and School_t. (hint: drop table state_t
CASCADE CONSTRAINTS;) and then create them again when you run your SQL script.
D. Your SAS log (LastName_FirstName_SAS_log.log).
E. An MS Word (or PDF) file containing all your screenshots, code entered in the Oracle
command line interface, the ERD from Step 9, SAS analysis results, and answers to the
questions (LastName_FirstName_FP_Report.docx or LastName_FirstName_FP_Report.PDF).
F. At the end, compress all the above files with 7-ZIP (or a similar tool) into one final file named
LastName_FirstName_Fall2019STSCI5060FP.7z and submit it to the course website.
STSCI 5060 Xiaolong Yang © 2019 Page 2 of 7
The Project Background and Steps
This project utilizes much knowledge and programming skills (both SQL and SAS) covered in the
class. You will create a database in Oracle, based on two big SAS datasets called
School_Finance_2010. sas7bdat and School_Finance_2015. sas7bdat, and then use this database to
analyze the data with sql*plus and SAS. The School_Finance_201X.sas7bdat data files contain real
data about the finance of US public schools in the years of 2010 and 2015. For our international
students who are not familiar with the US school systems, here is some short explanation. In each
state, the public schools are divided into different school districts. A school district normally includes
many different levels of schools (elementary schools, middle schools, and high schools in a
city/town/area). A school district is normally funded by three sources: the local revenue, the state
revenue and the federal revenue. The datasets describe these revenues and expenditures. You need
to read Column Description.PDF so that you understand the datasets and the meaning of column
names. Please strictly follow the following steps as you do the project and your project report.
1. In Oracle command line, log in as the Oracle SYSTEM user and create a new user called
LastName_FirstName_STSCI5060FP and grant all the privileges to this user. If you encounter an
error of invalid name, you may need to issue an "ALTER SESSION" command (see Lab 1 for
details). Then, in ORACLE SQL DEVELOPER create a new connection to this new user with the
same name, LastName_FirstName_STSCI5060FP.
2. In SQL DEVELOPER, create a table, State_t, by importing a csv file called State_Code.csv. To
import, right click "Tables (filtered)" and choose "Import Data …" and then follow the
instructions. In Step 3, make sure that you only select the three required columns (StCode,
StName and StAbb), and then choose Column Definition to continue. In the Column Definition
window (in the 4th Step of Data Import Wizard), you need to delete the trailing blank(s) for all
the variable names that are listed in the Source Data Columns window, in order to have valid
column names. Use the default setting when you import the table, except setting the attributes
of columns StCode, StName and StAbb to varchar2(2), varchar2(26) and char(2) respectively.
Attach the following screenshots of ORACLE SQL DEVELOPER: the Columns tab and Data tab of
your State_T table (just showing a portion of the data of the table is OK).
3. In Oracle, programmatically (i.e., you have to code it with SQL) update your State_t table by
changing the single-digit values, 1-9, of state code to two-digit values, 01-09. This will make sure
that these values are consistent with those in other tables. In this step, you are required to
accomplish the task just with one update statement with the following requirements:
A. Use a WHERE clause to specify a condition.
B. Use the concatenation operator.
C. Use the SUBSTR() function.
D. Use the CAST function to explicitly convert the data type for your comparison in the
WHERE clause (although in this case Oracle can do data type automatic conversion
without using this function).
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Query your updated State_t table to confirm that you have successfully made the changes. Only
display the 9 rows whose Stcode values are less than 10.
4. In SAS 9.4, create a libref called “Final” that references your file location of all your final project
SAS files, and then connect SAS to the Oracle database user,
"LastName_FirstName_STSCI5060FP," with the LIBNAME statement by creating a libref called
myoracle. Create an Oracle database table, School_Finance_2010_t, using the myoracle libref
and PROC SQL by querying the School_Finance_2010.sas7bdat dataset (which is in SAS format).
Right after you ran your SAS code, refresh the connections in your ORACLE SQL Developer. In
Oracle, describe the School_ Finance_2010_t table and display the first 10 rows of the table
(hint: use rownum<=10).
5. Change table properties of the School_Finance_2010_t table:
A. Change the property of IDCENSUS to varchar2(15).
B. Change the property of NAME to varchar2(60).
6. Change column names: rename the column "NAME" to "SD_NAME" and the column "State" to
"STCODE" in the School_Finance_2010_t table.
7. The School_Finance_2010_t table is big table with many functional dependencies. You will
create four tables from this big table. The first three tables are Fedrev_t, Strev_t and Locrev_t
for the federal, state and local revenues respectively. The fourth table is called School_t.
A. Your Fedrev_t table should include the following columns: idcensus, stcode, and fed_rev,
which is the sum of the values of columns c14, c15, c16, c17, c18, c19, b11, c20, c25, c36,
b10, b12, and b13.
B. Your Strev_t table should include the following columns: idcensus, stcode, and st_rev, which
is the sum of the values of columns c01, c04, c05, c06, c07, c08, c09, c10, c11, c12, c13, c24,
c35, c38, and c39.
C. Your Locrev_t table should include the following columns: idcensus, stcode, and loc_rev,
which is the sum of the values of columns t02, t06, t09, t15, t40, t99, d11, d23, a07, a08,
a09, a11, a13, a15, a20, a40, u11, u22, u30, u50, and u97.
D. Your School_t table should include these columns: idcensus, stcode, and sd_name.
8. Programmatically set primary keys and foreign keys for the following tables:
A. Set the stcode column as the primary key of the State_t table.
B. Set the idcensus column in the Fedrev_t, Strev_t, Locrev_t, and School_t tables as the
primary key.
C. Set the idcensus column of the Fedrev_t, Strev_t, Locrev_t tables as the foreign key that
references the idcensus column of the School_t table.
D. Set the stcode column of the School_t table as the foreign key that references the stcode
column of the State_t table.
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[Hint: To set the foreign key, use the following syntax: ALTER TABLE table_name add constraint
foreign_key_name foreign KEY (column_name) references name_of_the_table_referenced
(name_of_the_column_referenced);]
9. Each of the table you have created is correspondent to an entity. As a result, you have five
entities: STATE, SCHOOL, FEDREV, STREV and LOCREV. Draw an ERD (using the book’s HRT
notation) to represent the relationships of these entities. You are required to list all the
attributes. Then, convert your ERD to relations and use arrows to represent the primary
key/foreign key constraints. If you draw the diagrams with hand, you may scan it and then
insert it into the MS Word (or PDF) file.
10. Based on Fedrev_t, list all the school districts that received more than $1,000,000 K from the
federal source (note that the revenue values are expressed in thousands of dollars in the
database tables). You should display three columns: idcensus, stcode and an alias, fed_revenue
for the federal revenue. Do the same for the Strev_t and Locrev_t tables and find out all the
school districts that received more than $1,000,000 K from the state or local sources. You should
name the state and local total revenue aliases as st_revenue and loc_revenue. The revenue
values you display should not be in scientific notation (do the same for the rest of the project).
Hint: use the function to_char(value, ‘999999999.9’) to achieve this; the numbers of the digit
“9” represent the scale and precision of the number.
11. Create a view called sd#_v to calculate the total number of school districts (SD#) in each state.
This view has two columns, SD# and stcode. Then,
A. find the state(s) that with the highest number of school districts by using sd#_v. In your
output, list the state code, state name and the total number of school districts.
B. find the state(s) that with the lowest number of school districts by using sd#_v. List the
state code, state name and the total number of school districts.
12. In each state, among all the school districts, find out the highest local, state and federal
revenues, and sort your result by state. Your final output should be listed in the following
column order and format:
To achieve this, you need to do the following:
A. Based on the tables you created in Step 7, create three views in Oracle called mfr_v,
msr_v, and mlr_v to calculate the maximum federal, state, and local revenues in each
state. Each view should only contain two columns: stcode and the value of the
STSCI 5060 Xiaolong Yang © 2019 Page 5 of 7
maximum revenue, sorted by stcode. Name the maximum revenues as MAX_FED_REV,
MAX_ST_REV and MAX_LOC_REV, respectively.
B. Connect SAS 9.4 to Oracle using the libname approach. In a SAS DATA step, use an
appropriate dataset combining method to combine the data in the above three views to
directly create a table called mfslr_t in Oracle. This table should contain four columns:
stcode, MAX_FED_REV, MAX_ST_REV and MAX_LOC_REV.
C. Go back to Oracle and use the mfslr_t table created by above SAS DATA Step to get your
results. You should space your four columns as shown above, i.e., do not leave too much
white space between the columns (hint: use the to_char() function to achieve this).
13. This is an extension of above question. In addition to listing the state name, state code and the
highest federal revenue (use aliases, state_code for state code, state_name for stname, and
max_fed_rev for the highest total federal revenue of the school district in that state), you are
required to list the name of the school district that received the highest federal revenue in that
state, as the 4th column. Sort your result by the revenue in descending order.
14. Create a view called Total_Rev_v from fedrev_t, strev_t, and locrev_t by including idcensus,
state code, total federal revenue (named tfedrev), total state revenue (named tstrev), and total
local revenue (named tlocrev) of each school district.
15. From Total_Rev_v, calculate the total revenues (use an alias, total_revenue) of these three
sources (tfedrev, tstrev, and tlocrev) for each school district in the US. With the information
from other tables, display the columns in the order of stcode, stname, idcensus, total_revenue
and sd_name. The result should be sorted by the total revenue in descending order. Just output
the first 100 rows (Hint: use ROWNUM <= 100).
16. The total expenditure of a school district is indicated by the TOTALEXP column in the
SCHOOL_FINANCE_2010_T table. Find out the total school expenditure of each state. Include
the following columns in your query output: stcode, stname, and the total school expenditure of
the state. Sort your output with the total school expenditure in descending order.
17. Calculate the total amount of the money that the United State spent on the public school
systems in that year. Your query output must read something like
"The total amount that the United States spent on the public school systems in 2010 was
$ XXXXXXXXXXXXX.X K."
Note:
• The integer part of the dollar amount is not necessary the same length as indicated by
the number of X'es here, but you do need to keep one decimal point.
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• There is no column heading displayed. (Hint: use the “SET HEADING OFF” command to
suppress headings and use “SET HEADING ON” command to restore to the normal
condition).
18. Based on fedrev_t or strev_t, or locrev_t and other necessary tables, create 3 views, excluding
any school districts that had no expenses (otherwise, you will have an error in calculation). You
should check the value range of the ratios you are getting, which will affect how you choose the
display format of your ratios (all the values must be displayed as required).
A. fed_contribution_v, to calculate the federal revenue contribution to each school district
(federal revenue/total expense), including these columns: idcensus, stcode, sd_name and
the fed_pcnt (for the federal revenue/total expense ratio). Keep 4 decimal points for the
ratio. Find out school districts that received federal revenues greater than the total
expense, listing all the columns that exist in the fed_contribution_v and sorting in
descending order by fed_pcnt.
B. st_contribution_v, to calculate the state revenue contribution to each school district (state
revenue/total expense), including these columns: idcensus, stcode, sd_name and the
st_pcnt (for the state revenue/total expense ratio). Keep 4 decimal points for the ratio.
List all the columns that exist in the st_contribution_v, and sort in descending order by
st_pcnt. Find out school districts that received state revenues greater than the total
expense, and sort in descending order by st_pcnt.
C. loc_contribution_v, to calculate the local revenue contribution to each school district
(local revenue/total expense), including these columns: idcensus, stcode, sd_name and
the loc_pcnt (for the revenue/total expense ratio). Keep 4 decimal points for the ratio.
Find out school districts that received local revenues greater than the total expense. List
all the columns that existed in the loc_contribution_v, and sort in descending order by
loc_pcnt.
19. Based on the three views that were created in Step 18, create another view called
fsl_contribution_v, including these columns: idcensus, stcode, sd_name and the fsl_pcnt (for the
total ratio, which is the sum of fed_pcnt, st_pcnt and loc_pcnt). Keep 4 decimal points.
A. Find out the school districts that received total revenues (federal+state+local) over 3
times of the total amount they actually spent in that year. List all the columns that exist
in the fsl_contribution_v, and sort in descending order by fsl_pcnt.
B. Find out the school districts that received total revenues (federal+state+local) up to 30%
of the total amount they actually spent in that year. List all the columns that exist in the
fsl_contribution_v, and sort in descending order fsl_pcnt.
20. In SASUSER, use PROC SQL to create a dataset in SAS called Total_Rev by querying the
Total_Rev_v view you created in Step 14 in the Oracle database. This will create a SAS dataset
that has the same contents as the view.
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21. Do a correlation analysis (PROC CORR) on the three variables (tfedrev, tstrev, and tlocrev) of the
Total_Rev dataset. Put the analysis results in the MS Word (or PDF) file and comment on the
results.
(Hint: use the following the syntax of PROC CORR
proc corr data=…
plots(maxpoints=NONE)=matrix(histogram);
var variable1 variable2 variable3;
run;)
22. Do a regression analysis (PROC REG) on variables (tfedrev, tstrev, and tlocrev) of the Total_Rev
dataset. Use tfedrev as the dependent variable and tstrev and tlocrev as the independent
variables. Put the analysis results in the MS Word (or PDF) file and comment on the results.
(Hint: use the following the syntax of PROC REG
proc reg data=…;
model dependent-variable = independent-variable1 independent-variable2;
run;)
23. Do the correlation analysis and regression analysis by directly getting data from the Total_Rev_v
view in the Oracle database through the myoracle libref you created earlier. You should achieve
the same results as above. Is this an instance of in-database processing? Why or why not?
24. Using PROC SQL and the librefs (myoracle and Final) created earlier in Step 4, create an Oracle
database table, School_Finance_2015_t by querying the School_Finance_2015.sas7bdat
dataset.
25. From 2010 to 2015, some school districts total revenues increased, some decreased and a small
number of them stayed the same. Using sql*plus, find out
A. The top 5 school districts that had increased total revenues.
B. The top 5 school districts that had decreased total revenues.
C. All the school districts whose total revenues stayed the same.
Display the state code, state name, IDCENSUS, the name of school district, the difference of the
total revenues of the two years (revdif=2015's totalrev – 2010's totalrev) and the change
percentage (change_percentage = 100*revdif/2010's totalrev). The results are sorted by revdif.
For all the values, keep one decimal point.
26. Report a screenshot of your final ORACLE SQL DEVELOPER interface, showing all your tables,
views and the connection that you have created in the whole project. Make sure that you
expand the Tables and Views folders so that all your tables and Views are visible.

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