Georgia State University SAS Advanced Programming Exam for SAS 9

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SAS Advanced Programming Exam for SAS 9 Successful candidates for the SAS Certified Advanced Programmer credential should have experience in programming and data management using SAS. They will be k... nowledgeable in using advanced DATA step programming statements and efficiency techniques to solve complex problems, writing and interpreting SAS SQL code, and creating and using the SAS MACRO facility. Candidates should also be familiar with the enhancements and new functionality that are available in SAS 9. Exam Details 65 multiple-choice questions Must answer 42 correctly to pass 2 hours to complete exam Prometric Exam ID - (A00-212) Test Content Accessing Data Using SQL Generate detail reports by working with a single table or joining tables using PROC SQL and the appropriate options Generate summary reports by working with a single table or joining tables using PROC SQL and the appropriate options Construct subqueries within a PROC SQL step Compare solving a problem using the SQL procedure versus using traditional SAS programming techniques Access Dictionary Tables using the SQL procedure Demonstrate advanced PROC SQL skills by creating and updating tables, updating data values, working with indexes using the macro interface/creating macro variables with SQL, defining integrity constraints, SQL views and SET operators Successful candidates should have experience in programming and data management using SAS 9 and should be able to use advanced DATA step programming statements use efficiency techniques to solve complex problems write and interpret SAS SQL code create and use the SAS MACRO facility Page 3Macro Processing Creating and using user-defined and automatic macro variables within the SAS Macro Language Automate programs by defining and calling macros using the SAS Macro Language Understand the use of macro functions Recognize various system options that are available for macro debugging and displaying values of user-defined and automatic macro variables in the SAS log Advanced Programming Techniques Demonstrate advanced data set processing techniques such as updating master data sets, transposing data, combining/merging data, sampling data, using generation data sets, integrity constraints and audit trails Reduce the space required to store SAS data sets and numeric variables within SAS data sets by using compression techniques, length statements or DATA step views Develop efficient programs by using advanced programming techniques such as permanent formats and array processing Use SAS System options and SAS data set options for controlling memory usage Control the processing of variables and observations in the DATA step Create sorted or indexed data in order to avoid unnecessary sorts, eliminate duplicate data and to provide more efficient data access and retrieval Use PROC DATASETS to demonstrate advanced programming skills (e.g. renaming columns, displaying metadata, creating indexes, creating integrity constraints, creating audit trails) Page 463 Mark Items for Review Item 1 When attempting to minimize memory usage, the most efficient way to do group processing when using the MEANS procedure is to use: A. the BY statement. B. GROUPBY with the NOTSORTED specification. C. the CLASS statement. D. multiple WHERE statements. A Item 2 The SAS data set WORK.CHECK has a variable named Id_Code in it. Which SQL statement would create an index on this variable? A. create index Id_Code on WORK.CHECK; B. create index(Id_Code) on WORK.CHECK; C. make index=Id_Code from WORK.CHECK; D. define index(Id_Code) in WORK.CHECK; A Item 3 Given the SAS data sets: WORK.EMPLOYEE WORK.NEWEMPLOYEE Name Dept Names Salary -------- ----- -------- ------ Alan Sales Michelle 50000 Michelle Sales Paresh 60000 A SAS program is submitted and the following is written to the SAS log: 101 proc sql; 102 select dept, name 103 from WORK.EMPLOYEE 104 where name=(select names from newemployee where salary > 40000) ERROR: Subquery evaluated to more than one row. 105 ; 106 quit; What would allow the program to successfully execute without errors? A. Replace the where clause with:where EMPLOYEE.Name=(select Names delimited with‘,' from WORK.NEWEMPLOYEE where Salary > 40000); B. Replace line 104 with: where EMPLOYEE.Name =ANY (select Names separated with‘,' from WORK.NEWEMPLOYEE where Salary > 40000); C. Replace the equal sign with the IN operator. D. Qualify the column names with the table names. C Item 4 Given the SAS data set SASUSER.HIGHWAY: Steering Seatbelt Speed Status Count -------- -------- ----- ------- ----- absent No 0-29 serious 31 absent No 0-29 not 1419 absent No 30-49 serious 191 absent no 30-49 not 2004 absent no 50+ serious 216 The following SAS program is submitted: proc sql noprint; select distinct Speed [_insert_SQL_clause_] from SASUSER.HIGHWAY ; quit; title1 “Speed values represented are: &GROUPS”; proc print data=SASUSER.HIGHWAY; run; Which SQL clause stores the text 0-29,30-49,50+ in the macro variable GROUPS? A. into &GROUPS B. into :GROUPS C. into :GROUPS separated by ‘,' D. into &GROUPS separated by ‘,’ C *Item 5 The SAS data set WORK.CHECK has an index on the variable Code and the following SAS program is submitted. proc sort data=WORK.CHECK;by Code; run; Which describes the result of submitting the SAS program? A. The index on Code is deleted. B. The index on Code is updated. C. The index on Code is uneffected. D. The sort does not execute. D (Note: You can sort an indexed data file only if you direct the output of the SORT procedure to a new data file so that the original data file remains unchanged. If you sort an indexed data file with the FORCE option, the index file is deleted.) Item 6 The table WORK.PILOTS contains the following data: WORK.PILOTS Id Name Jobcode Salary --- ------ ------- ------ 001 Albert PT1 50000 002 Brenda PT1 70000 003 Carl PT1 60000 004 Donna PT2 80000 005 Edward PT2 90000 006 Flora PT3 100000 The data set was summarized to include average salary based on jobcode: Jobcode Salary Avg ------- ------ ----- PT1 50000 60000 PT1 70000 60000 PT1 60000 60000 PT2 80000 85000 PT2 90000 85000 PT3 100000 100000 Which SQL statement could NOT generate this result? A. select Jobcode, Salary, avg(Salary) label=‘Avg' from WORK.PILOTS group by Jobcodeorder by Id ; B. select Jobcode, Salary, (select avg(Salary) from WORK.PILOTS as P1 where P1.Jobcode=P2.Jobcode) as Avg from WORK.PILOTS as P2 order by Id ; C. select Jobcode, Salary, (select avg(Salary) from WORK.PILOTS group by Jobcode) as Avg from WORK.PILOTS order by Id ; D. select Jobcode, Salary, Avg from WORK.PILOTS, (select Jobcode as Jc, avg(Salary) as Avg from WORK.PILOTS group by 1) where Jobcode=Jc order by Id ; C Item 7A quick rule of thumb for the space required to run PROC SORT is: A. two times the size of the SAS data set being sorted. B. three times the size of the SAS data set being sorted. C. four times the size of the SAS data set being sorted. D. five times the size of the SAS data set being sorted. C Item 8 Multi-threaded processing for PROC SORT will effect which of these system resources? A. CPU time will decrease, wall clock time will decrease B. CPU time will increase, wall clock time will decrease C. CPU time will decrease, wall clock time will increase D. CPU time will increase, wall clock time will increase B Item 9 Given the SAS data set WORK.TRANSACT: Rep Cost Ship ----- ---- ----- SMITH 200 50 SMITH 400 20 JONES 100 10 SMITH 600 100 JONES 100 5 The following output is desired: Rep ----- ---- JONES 105 SMITH 250 Which SQL statement was used? A. select rep, min(Cost+Ship) from WORK.TRANSACT order by Rep ; B. select Rep, min(Cost,Ship) as Minfrom WORK.TRANSACT summary by Rep order by Rep ; C. select Rep, min(Cost,Ship) from WORK.TRANSACT group by Rep order by Rep ; D. select Rep, min(Cost+Ship) from WORK.TRANSACT group by Rep order by Rep ; D Item 10 The following SAS program is submitted: %let Value=9; %let Add=5; %let Newval=%eval(&Value/&Add); %put &Newval; What is the value of the macro variable Newval when the %PUT statement executes? A. 0.555 B. 2 C. 1.8 D. 1 D Item 11 The following SAS code is submitted: data WORK.TEMP WORK.ERRORS / view=WORK.TEMP; infile RAWDATA; input Xa Xb Xc; if Xa=. then output WORK.ERRORS; else output WORK.TEMP;run; Which of the following is true of the WORK.ERRORS data set? A. The data set is created when the DATA step is submitted. B. The data set is created when the view TEMP is used in another SAS step. C. The data set is not created because the DATA statement contains a syntax error. D. The descriptor portion of WORK.ERRORS is created when the DATA step is submitted. B Item 12 Which title statement would always display the current date? A. title “Today is: &sysdate.”; B. title “Today is: &sysdate9.”; C. title “Today is: &today.”; D. title “Today is: %sysfunc(today(),worddate.)”; D Item 13 Given the SAS data sets: WORK.ONE WORK.TWO Id Name Id Salary --- ------ ---- ------ 112 Smith 243 150000 243 Wei 355 45000 457 Jones 523 75000 The following SAS program is submitted: data WORK.COMBINE; merge WORK.ONE WORK.TWO; by Id; run; Which SQL procedure statement produces the same results? A. create table WORK.COMBINE as select Id, Name, Salary from WORK.ONE full join WORK.TWOon ONE.Id=TWO.Id ; B. create table WORK.COMBINE as select coalesce(ONE.Id, TWO.Id) as Id, Name, Salary from WORK.ONE, WORK.TWO where ONE.Id=TWO.Id ; C. create table WORK.COMBINE as select coalesce(ONE.Id, TWO.Id) as Id, Name, Salary from WORK.ONE full join WORK.TWO on ONE.Id=TWO.Id order by Id ; D. create table WORK.COMBINE as select coalesce(ONE.Id, TWO.Id) as Id, Name, Salary from WORK.ONE, WORK.TWO where ONE.Id=TWO.Id order by ONE.Id ; C Item 14 The following SAS program is submitted: proc contents data=TESTDATA.ONE;run; Which SQL procedure step produces similar information about the column attributes of TESTDATA.ONE? A. proc sql; contents from TESTDATA.ONE; quit; B. proc sql; describe from TESTDATA.ONE; quit; C. proc sql; contents table TESTDATA.ONE; quit; D. proc sql; describe table TESTDATA.ONE; quit; D Item 15 Given the SAS data set WORK.ONE: Rep Cost --------- ---- SMITH 200 SMITH 400 JONES 100 SMITH 600 JONES 100 The following SAS program is submitted; proc sql; select Rep, avg(Cost) from WORK.ONE order by Rep ; quit; Which result set would be generated? A. JONES 280 JONES 280SMITH 280 SMITH 280 SMITH 280 B. JONES 600 SMITH 100 C. JONES 280 SMITH 280 D. JONES 100 JONES 100 SMITH 600 SMITH 600 SMITH 600 A Item 16 Given the SAS data sets: WORK.MATH1A WORK.MATH1B Name Fi Name Fi ------- -- ------ -- Lauren L Smith M Patel A Lauren L Chang Z Patel A Hillier R The following SAS program is submitted: proc sql; select * from WORK.MATH1A [_insert_set_operator_] select * from WORK.MATH1B ; quit; The following output is desired: Name Fi ------- --Lauren L Patel A Chang Z Hillier R Smith M Lauren L Patel A Which SQL set operator completes the program and generates the desired output? A. append corr B. union corr C. outer union corr D. intersect corr C Item 17 Which of the following is an advantage of SAS views? A. SAS views can access the most current data in files that are frequently updated. B. SAS views can avoid storing a SAS copy of a large data file. C. SAS views can decrease programming time. D. both A and B are true D Item 18 In what order does SAS search for format definitions by default? A. 1. WORK.FORMATS 2. LIBRARY.FORMATS B. 1. LIBRARY.FORMATS 2. WORK.FORMATS C. There is no default order, it must be defined by the user. D. All user defined libraries that have a catalog named FORMATS, in alphabetic order. A Item 19 Given the dataset WORK.STUDENTS: Name Age ------- --- Mary 15 Philip 16 Robert 12 Ronald 15 The following SAS program is submitted: %let Value=Philip;proc print data=WORK.STUDENTS; [_insert_WHERE_statement_] run; Which WHERE statement successfully completes the program and produces a report? A. where upcase(Name)=upcase(&Value); B. where upcase(Name)=%upcase(&Value); C. where upcase(Name)=“upcase(&Value)”; D. where upcase(Name)=“%upcase(&Value)”; D Item 20 The following SAS program is submitted: data WORK.TEMP; length A B 3 X; infile RAWDATA; input A B X; run; What is the length of variable A? A. 3 B. 8 C. WORK.TEMP is not created - X has an invalid length. D. Unknown. A Item 21 The following SAS program is submitted: data WORK.NEW; do i=1, 2, 3; Next=cats(‘March’|| i ); infile XYZ filevar=Next end=Eof; do until (Eof); input Dept $ Sales; end; end; run; The purpose of the FILEVAR=option on the INFILE statement is to name the variable Next, whose value: A. points to a new input file. B. is output to the SAS data set WORK.NEW.C. is an input SAS data set reference. D. points to an aggregate storage location. A Item 22 Given the following partial SAS log: NOTE: SQL table SASHELP.CLASS was created like: create table SASHELP.CLASS( bufsize=4096 ) ( Name char(8), Sex char(1), Age num, Height num, Weight num ); Which SQL procedure statement generated this output? A. CONTENTS FROM SASHELP.CLASS; B. CREATE FROM SASHELP.CLASS INTO LOG; C. DESCRIBE TABLE SASHELP.CLASS; D. VALIDATE SELECT * FROM SASHELP.CLASS; C Item 23 Given the SAS data set SASUSER.HIGHWAY: Steering Seatbelt Speed Status Count -------- -------- ----- ------- ----- absent No 0-29 serious 31 absent No 0-29 not 1419 absent No 30-49 serious 191 absent no 30-49 not 2004 absent no 50+ serious 216 The following SAS program is submitted: %macro SPLIT; proc sort data=SASUSER.HIGHWAY out=WORK.UNIQUES(keep=Status) nodupkey; by Status; run; data _null_;set uniques end=Lastobs; call symputx(‘Status’||left(_n_),Status); if Lastobs then call symputx(‘Count’,_n_); run; %local i; data %do i=1 %to &count; [_insert_reference_] %end; ; set SASUSER.HIGHWAY; select(Status); %do i=1 %to &Count; when(“[_insert_reference_]”) output [_insert_reference_]; %end; otherwise; end; run; %mend; %SPLIT What macro variable reference completes the program to create the WORK.NOT and WORK.SERIOUS data sets? A. &Status&i B. &&Status&i C. &Status&Count D. &&Status&Count B Item 24 The following SAS program is submitted: %let Num1=7; %let Num2=3; %let Result=%eval(&Num1/&Num2); %put &Result; What is the value of the macro variable Result when the %PUT statement executes? A. 2.3 B. 2 C. . (missing value) D. 2.33333333333333 BItem 25 Given the SAS data set SASUSER.HIGHWAY: Steering Seatbelt Speed Status Count -------- -------- ----- ------- ----- absent No 0-29 serious 31 absent No 0-29 not 1419 absent No 30-49 serious 191 absent no 30-49 not 2004 absent no 50+ serious 216 The following SAS program is submitted: %macro HIGHWAY(Belt=no); proc print data=SASUSER.HIGHWAY; where Seatbelt=“&Belt” ; run; %mend; %HIGHWAY(Belt=No) How many observations appear in the generated report? A. 0 B. 2 C. 3 D. 5 C Item 26 Given the following SAS data sets: WORK.VISIT1 WORK.VISIT2 Id Expense Id Cost --- ------- --- ---- 001 500 001 300 001 400 002 600 003 350 The following result set was summarized and consolidated using the SQL procedure: Id Cost --- ---- 001 300 001 900 002 600 003 350Which of the following SQL statements was most likely used to generate this result? A. select Id, sum(Expense) label=‘COST' from WORK.VISIT1 group by 1 union all select Id, sum(Cost) from WORK.VISIT2 group by 1 order by 1,2 ; B. select id, sum(expense) as COST from WORK.VISIT1(rename=(Expense=Cost)), WORK.VISIT2 where VISIT1.Id=VISIT2.Id group by Id order by Id, Cost ; C. select VISIT1.Id, sum(Cost) as Cost from WORK.VISIT1(rename=(Expense=Cost)), WORK.VISIT2 where VISIT1.Id=VISIT2.Id group by Id order by Id, Cost ; D.select Id, sum(Expense) as Cost from WORK.VISIT1 group by Id outer union corr select Id, sum(Cost) from WORK.VISIT2 group by Id order by 1,2 ; D Item 27 Given the SAS data sets: WORK.FIRST WORK.SECOND Common X Common Y ------ -- ------ -- A 10 A 1 A 13 A 3 A 14 B 4 B 9 B 2 The following SAS program is submitted: data WORK.COMBINE; set WORK.FIRST; set WORK.SECOND; run; What data values are stored in data set WORK.COMBINE? A. Common X Y ------ -- -- A 10 1 A 13 3 B 14 4 B 9 2 B. Common X Y------ -- -- A 10 1 A 13 3 A 14 3 B 9 4 B 9 2 C. Common X Y ------ -- -- A 10 1 A 13 3 A 14 . B 9 4 B . 2 D. Common X Y ------ -- -- A 10 1 A 13 1 A 14 1 A 10 3 A 13 3 A 14 3 B 9 4 B 9 2 A Item 28 Which of the following ARRAY statements is similar to the statement array Yr{1974:2007} Yr1974-Yr2007; and will compile without errors? A. array Yr{34} Yr1974-Yr2007; B. array Yr{74:07} Yr1974-Yr2007; C. array Yr{74-07} Yr1974-Yr2007; D. array Yr{1974-2007} Yr1974-Yr2007; A Item 29 The following program is submitted to check the variables Xa, Xb, and Xc in the SASUSER.LOOK data set: data _null_ WORK.BAD_DATA / view=WORK.BAD_DATA ; set SASUSER.LOOK(keep=Xa Xb Xc);length _Check_ $ 10 ; if Xa=. then _check_=trim(_Check_)!!“Xa” ; if Xb=. then _check_=trim(_Check_)!!“Xb” ; if Xc=. then _check_=trim(_Check_)!!“Xc” ; put Xa= Xb= Xc= _check_= ; run ; When is the PUT statement executed? A. when the code is submitted B. only when the WORK.BAD_DATA view is used C. both when the code is submitted and the view is used D. never, the use of _null_ in a view is a syntax error B Item 30 The following SAS program is submitted: %let product=merchandise; [_insert_%put_statement_] and the following message is written to the SAS log: the value is “merchandise” Which macro statement wrote this message? A. %put the value is ‘“‘&product.’”’; B. %put the value is %quote(&product.); C. %put the value is “&product.”; D. %put the value is ““&product.””; C Item 31 Given the SAS data sets: WORK.ONE WORK.TWO X Y SumY -- -- ---- A 10 36 A 3 A 14 B 9 The following SAS DATA step is submitted: data WORK.COMBINE; if _n_=1 then set WORK.TWO; set WORK.ONE;run; What data values are stored in data set WORK.COMBINE? A. An ERROR message is written to the SAS log and the data set WORK.COMBINE is not created. B. SumY X Y ---- -- -- 36 A 10 C. SumY X Y ---- -- -- 36 A 10 . A 3 . A 14 . B 9 D. SumY X Y ---- -- -- 36 A 10 36 A 3 36 A 14 36 B 9 D Item 32 The following SAS program is submitted: data WORK.NEW(bufno=4); set WORK.OLD(bufno=3); run; Why are the BUFNO options used? A. to reduce memory usage B. to reduce CPU time usage C. to reduce the amount of data read D. to reduce the number of I/O operations D Item 33 Given the following program and desired results: %let Thing1=gift; %let Thing2=surprise;%let Gift1=book; %let Gift2=jewelry; %let Surprise1=dinner; %let Surprise2=movie; %let Pick=2; %let Choice=surprise; Desired %PUT Results in LOG: My favorite surprise is a movie What is the correct %PUT statement that generates the desired results? A. %put My favorite &Thing&Pick is a &&Choice&Pick; B. %put My favorite &&Thing&pick is a &&&Choice&Pick; C. %put My favorite &Choice&pick is a &&Thing&Pick; D. %put My favorite &&Choice&pick is a &&&Thing&Pick; B Item 34 Given the SAS dataset WORK.ONE Name Salary ----- ------ Hans 200 Maria 205 Jose 310 Ariel 523 The following SAS program is submitted: proc sql; [_insert_select_clause_] from WORK.ONE ; quit; The following output is desired: Salary Bonus ------ ----- 200 20 205 20.5 310 31 523 52.3 Which SQL procedure clause completes the program and generates the desired output? A. select Salary Bonus as Salary*.10 as BonusB. select Salary Bonus=Salary*.10 ‘Bonus' C. select Salary, Salary*.10 label=‘Bonus' D. select Salary, Salary*.10 column=“Bonus” C Item 35 The following SAS program is submitted: options reuse=YES; data SASUSER.REALESTATE(compress=CHAR); set SASUSER.HOUSES; run; What is the effect of the reuse=YES SAS system option? A. It allows updates in place. B. It tracks and recycles free space. C. It allows a permanently stored SAS data set to be replaced. D. It allows users to access the same SAS data set concurrently. B Item 36 Which statement is true for Data step HASH objects? A. The key component must be numeric. B. The data component may consist of numeric and character values. C. The HASH object is created in one step and referenced in another. D. The HASH object must be smaller than 2 to the 8th power bytes. B Item 37 Given the SAS data sets: WORK.CLASS1 WORK.CLASS2 Name Course Name Class ------ ------ ------- ------- Lauren MATH1 Smith MATH2 Patel MATH1 Farmer MATH2 Chang MATH1 Patel MATH2 Chang MATH3 Hillier MATH2 The following SAS program is submitted: proc sql; select Name from WORK.CLASS1 [_insert_set_operator_]select Name from WORK.CLASS2 ; quit; The following output is desired: Name ------ Chang Chang Lauren Which SQL set operator completes the program and generates the desired output? A. intersect corr B. except all C. intersect all D. left except B Item 38 The following SAS program is submitted: %macro CHECK(Num=4); %let Result=%eval(&Num gt 5); %put Result is &result; %mend; %check(Num=10) What is written to the SAS log? A. Result is 0 B. Result is 1 C. Result is 10 gt 5 D. Result is true B Item 39 The following SAS program is submitted: %let Mv=shoes; %macro PRODUCT(Mv=bicycles); %let Mv=clothes; %mend; %PRODUCT(Mv=tents) %put Mv is &Mv;What is written to the SAS log? A. Mv is bicycles B. Mv is clothes C. Mv is shoes D. Mv is tents C Item 40 Which of the following SAS System options can aid in benchmarking? A. BUFSIZE= and BUFNO= B. FULLSTIMER C. IOBLOCKSIZE= D. SYSTIMER B Item 41 Given the following macro program: %macro MAKEPGM(NEWNAME, SETNAME, PRINT); data &NEWNAME; set &SETNAME; run; %if &PRINT=YES %then %do; proc print data=&NEWNAME.(obs=10); run ; %end; %mend; Which option would provide feedback in the log about the parameter values passed into this macro when invoked? A. MPRINT B. MDEBUG C. MLOGIC D. MPARAM C Item 42 The NOTSORTED option on the BY statement cannot be used with which other statement or option? A. SET B. MERGE C. IF FIRST.by-variable D. BY GROUPFORMAT by-variable BItem 43 Given the SAS data set WORK.ONE: Rep Cost ----- ---- SMITH 200 SMITH 400 JONES 100 SMITH 600 JONES 100 The following SAS program is submitted: proc sql; select Rep, avg(Cost) as Average from WORK.ONE [either__insert_SQL_where_clause_] group by Rep [_or_ _insert_SQL_having_clause_] ; quit; The following output is desired: Rep Average ----- ------- SMITH 400 Which SQL clause completes the program and generates the desired output? A. where calculated Average > (select avg(Cost) from WORK.ONE) B. having Average > (select avg(Cost) from WORK.ONE) C. having avg(Cost) < (select avg(Cost) from WORK.ONE) D. where avg(Cost) > (select avg(Cost) from WORK.ONE) B Item 44 Which dictionary table provides information on each occurrence of the variable named LastName? A. DICTIONARY.TABLES B. DICTIONARY.COLUMNS C. DICTIONARY.MEMBERS D. DICTIONARY.VARIABLES B Item 45To create a list of unique Customer_Id values from the customer data set, which of the following techniques can be used? technique 1: proc SORT with NODUPKEY and OUT= technique 2: data step with IF FIRST.Customer_Id=1 technique 3: proc SQL with the SELECT DISTINCT statement A. only technique 1 B. techniques 1 and 2 C. techniques 1 and 3 D. techniques 1, 2, or 3 C Item 46 Given the SAS data sets: WORK.CLASS1 WORK.CLASS2 Name Course Name Class ------ ------ ------ ----- Lauren MATH1 Smith MATH2 Patel MATH1 Farmer MATH2 Chang MATH1 Patel MATH2 Hillier MATH2 The following SAS program is submitted: proc sql; select Name from WORK.CLASS1 [_insert_set_operator_] select Name from WORK.CLASS2 ; quit; The following output is desired: Name ------ Chang Lauren Which SQL set operator completes the program and generates the desired output? A. intersect corr B. except C. intersectD. left except B Item 47 The following SAS program is submitted: %macro execute; [_insert_statement_here_] proc print data=SASUSER.HOUSES; run; %end; %mend execute; %execute Which statement completes the program so that the PROC PRINT step executes on Thursday? A. if &sysday = Thursday then %do; B. %if &sysday = Thursday %then %do; C. %if “&sysday” = Thursday %then %do; D. %if &sysday = “Thursday” %then %do; B Item 48 Given the following program and data: data WORK.BDAYINFO; infile datalines; input Name $ Birthday : mmddyy10.; datalines; Alan 11/15/1950 Barb 08/23/1966 Carl 09/01/1963 ; run; %let Want=23AUG1966; proc print data=WORK.BDAYINFO; [_insert_statement_] run; What is the WHERE statement that successfully completes the PROC PRINT and selects the observation for Barb? A. where Birthday=&Want; B. where Birthday=“&Want”; C. where Birthday=“&Want”d; D. where Birthday=‘&Want’d; CItem 49 Which macro statement would remove the macro variable Mv_Info from the symbol table? A. %mdelete &Mv_Info; B. %symerase Mv_Info; C. %symdel &Mv_Info; D. %symdel Mv_Info; D Item 50 The table WORK.PILOTS contains the following data: Id Name Jobcode Salary --- ------ ------- ------ 001 Albert PT1 50000 002 Brenda PT1 70000 003 Carl PT1 60000 004 Donna PT2 80000 005 Edward PT2 90000 006 Flora PT3 100000 A query was constructed to display the pilot salary means at each level of Jobcode and the difference to the overall mean salary: Jobcode Average Difference ---------- ----------- --------- PT1 60000 -15000 PT2 85000 10000 PT3 100000 25000 Which select statement could NOT have produced this output? A. select Jobcode, avg(Salary) as Average, calculated Average - Overall as difference from WORK.PILOTS, (select avg(Salary) as Overall from WORK.PILOTS) group by jobcode ; B. select Jobcode, avg(Salary) as Average,(select avg(Salary) from WORK.PILOTS) as Overall, calculated Average - Overall as Difference from WORK.PILOTS group by 1 ; C. select Jobcode, Average, Average-Overall as Difference from (select Jobcode, avg(Salary) as Average from WORK.PILOTS group by 1), (select avg(Salary) as Overall from WORK.PILOTS) ; D. select Jobcode, avg(Salary) as Average, calculated Average-(select avg(Salary) from WORK.PILOTS) as Difference from WORK.PILOTS group by 1 ; B Item 51 The SAS data set WORK.TEMP is indexed on the variable Id: Id Amount -- ------ P 52 P 45 A 13 A 56 R 34 R 12 R 78 The following SAS program is submitted: proc print data=WORK.TEMP; [_insert_BY_statement_]run; Which BY statement completes the program, creates a listing report that is grouped by Id, and completes without errors? A. by Id; B. by Id grouped; C. by Id descending; D. by descending Id; A Item 52 To create a dataset with unique values of a given varible using a data step and the FIRST. and LAST. variables, it is assumed that the input dataset is: A. sorted on that variable. B. indexed by that variable. C. naturally in order. D. any of the above A, B, or C D Item 53 The SASFILE statement requests that a SAS data set be opened and loaded into memory: A. one page at a time. B. one variable at a time. C. one observation at a time. D. in its entirety, if possible. D Item 54 The following SAS program is submitted: %let Name1=Shoes; %let Name2=Clothes; %let Root=name; %let Suffix=2; %put &&&Root&Suffix; What is written to the SAS log? A. &Name2 B. Clothes C. &&&Root&Suffix D. WARNING: Apparent symbolic reference ROOT2 not resolved. B Item 55Given the SAS data sets: WORK.ONE WORK.TWO Year Qtr Budget Year Qtr Sales ---- --- ------ ---- --- ----- 2001 3 500 2001 4 300 2001 4 400 2002 1 600 2003 1 350 The following SAS program is submitted: proc sql; select TWO.*, budget from WORK.ONE [_insert_join_operator_] WORK.TWO on ONE.Year=TWO.Year ; quit; The following output is desired: Year Qtr Sales Budget ---- --- ----- ------ 2001 4 300 500 2001 4 300 400 2002 1 600 . . . . 350 Which join operator completes the program and generates the desired output? A. left join B. right join C. full join D. outer join C Item 56 The SAS data set WORK.ADDRESSES contains the email addresses of The XYZ Corporation's customers in a variable named Email_Address. The following DATA step is submitted: data _null_; set WORK.ADDRESSES; [_insert_statement_] put “filename mail email ‘“ Email_Address ”’; ”; put “data _null_;”;put “ file mail;”; put “ put ‘Thank you for your continued’;”; put “ put ‘support of The XYZ Corporation.’;”; put “ put ‘We appreciate your patronage.’;”; put “ put ‘Sincerely,’;” ; put “ put ‘The XYZ Corporation’;”; put “run;” ; run; Which statement completes the program and creates a SAS program file? A. infile “c:\email.sas”; B. output “c:\email.sas”; C. file “c:\email.sas”; D. None of the above. C Item 57 Which of the following is true about the COMPRESS=YES data set option? A. It uses the Ross Data Compression method to compress numeric data. B. It is most effective with character data that contains repeated characters. C. It is most effective with numeric data that represents large numeric values. D. It is most effective with character data that contains patterns, rather than simple repetitions. B Item 58 Given the SAS dataset WORK.ONE: Salary ------ 200 205 . 523 The following SAS program is submitted: proc sql; select * from WORK.ONE [_insert_where_clause_] ; quit; The following output is desired: Salary------ 200 205 523 Which WHERE expression completes the program and generates the desired output? A. where Salary is not . B. where Salary ne missing C. where Salary ne null D. where Salary is not missing D *Item 59 The SAS data set WORK.TEST has an index on the variable Id and the following SAS program is submitted. data WORK.TEST; set WORK.TEST (keep=Id Var_1 Var_2 rename=(Id=Id_Code)); Total=sum(Var_1, Var_2); run; Which describes the result of submitting the SAS program? A. The index on Id is deleted. B. The index on Id is updated as an index on Id_Code. C. The index on Id is deleted and an index on Id_Code is created. D. The index on Id is recreated as an index on Id_Code. A Item 60 Given the data set SASHELP.CLASS: Name Age ------- --- Mary 15 Philip 16 Robert 12 Ronald 15 The following SAS program is submitted: %macro MP_ONE(pname=means); proc &pname data=SASHELP.CLASS; run; %mend; %MP_ONE(print) %MP_ONE()Which PROC steps execute successfully? A. PROC MEANS only B. PROC PRINT only C. PROC MEANS and PROC PRINT D. No PROC steps execute successfully A Item 61 In a data step merge, the BY variables in all data sets must have the same: A. name. B. name and type. C. name and length. D. name, type, and length. B Item 62 Given the following macro program and invocation: %macro MAKEPGM(NEWNAME, SETNAME); data &NEWNAME; set &SETNAME; run; %put ---> inside macro &NEWNAME &SETNAME; %mend; %MAKEPGM(WORK.NEW, SASHELP.CLASS) %put ---> outside macro &NEWNAME &SETNAME; Which of these choices shows the correct %PUT statement output if the program is submitted at the beginning of a new SAS session? Note that other lines may be written to the SAS log by the program but only the %PUT output is shown here. A. ---> inside macro WORK.NEW SASHELP.CLASS ---> outside invocation WORK.NEW SASHELP.CLASS B. ---> inside macro WORK.NEW SASHELP.CLASS ---> outside invocation &NEWNAME &SETNAME C. ---> inside macro &NEWNAME &SETNAME ---> outside invocation WORK.NEW SASHELP.CLASS D. ---> inside macro &NEWNAME &SETNAME ---> outside invocation &NEWNAME &SETNAME B Item 63 The following SAS program is submitted: %macro COLS1;Name Age; %mend; %macro COLS2; Height Weight; %mend; proc print data=SASHELP.CLASS; [_insert_VAR_statement_here_] run; Which VAR statement successfully completes the program to produce a report containing four variables? A. var %COLS1 %COLS2; B. var %COLS1-%COLS2; C. var %COLS1 Weight Height; D. var Weight Height %COLS1; DSAS® Certification: Advanced Programming Practice Exam Certification Practice Exam Select the best answer for each question and click Score My Practice Exam. 1. Given the following SAS data sets One and Two: The following SAS program is submitted: proc sql; select one.*, sales from one, two where one.year=two.year and one.qtr=two.qtr; quit; Which of the following reports is generated? You should read the introductory material before you take this practice exam. One Year Qtr Budget 2001 3 500 2001 4 400 2002 1 700 Two Year Qtr Sales 2001 4 300 2002 1 600 a. Year Qtr Budget Sales 2001 3 500 300 2002 1 700 600 b. Year Qtr Budget Sales 2001 4 400 300 2002 1 700 600 c. Year Qtr Budget Sales 2001 3 500 . 2001 4 400 300 2002 1 700 600 d. Year Qtr Budget Sales 2001 3 500 300 2001 4 400 3002. Given the following SAS data sets One and Two: The following SAS program is submitted: proc sql; select one.*, sales from one right join two on one.year=two.year; quit; Which one of the following reports is generated? 3. Which one of the following programs is syntactically correct? 2002 1 700 300 2001 3 500 600 2001 4 400 600 2002 1 700 600 One Year Qtr Budget 2001 3 500 2001 4 400 2002 1 700 Two Year Qtr Sales 2001 4 300 2002 1 600 a. Year Qtr Budget Sales 2001 3 500 . b. Year Qtr Budget Sales 2001 4 400 300 2002 1 700 600 c. Year Qtr Budget Sales 2001 3 500 . 2001 4 400 300 2002 1 700 600 d. Year Qtr Budget Sales 2001 3 500 300 2001 4 400 300 2002 1 700 600 a. proc sql; create table forecast as select a.*, b.sales from actual a, budget b where a.dept=b.dept and4. Given the following SAS data sets One and Two: The following SAS program is submitted: proc sql; select * from one except select * from two; quit; Which of the following reports is generated? a.month=b.month; quit; b. proc sql; create table forecast as select a.* b.sales from actual as a, budget as b where a.dept=b.dept and a.month=b.month; quit; c. proc sql; create table forecast as select a.*, b.sales from actual as a, budget as b where dept=dept and month=month; quit; d. proc sql; create table forecast as select a.*, b.sales from actual, budget where a.dept=b.dept and a.month=b.month; quit; One Num Var1 1 A 1 A 2 B 3 C Two Num Var2 1 A 4 Y 4 Z a. Num 2 3 b. Num Var1 2 B5. Given the following SAS data sets One and Two: The following SAS program is submitted: proc sql; select * from one intersect all select * from two; quit; Which of the following reports is generated? 3 C c. Num Var1 1 A 2 B 3 C d. Num Var2 1 A 4 Y 4 Z One Num Var1 1 A 1 A 2 B 3 C Two Num Var2 1 A 4 Y 4 Z a. Num 1 b. Num 1 2 c. Num Var1 1 A d. Num Var1 1 A 1 A6. Given the following SAS data sets One and Two: The following SAS program is submitted: [Show More]

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