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SAS ADVANCE (63题,无答案版,适合独立练习使用)

SAS ADVANCE (63题,无答案版,适合独立练习使用)
SAS ADVANCE (63题,无答案版,适合独立练习使用)

Item 1 of 63 Mark item for review

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.

Item 2 of 63 Mark item for review

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;

Item 3 of 63 Mark item for review

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 https://www.sodocs.net/doc/951135427.html,=(select Names delimited with ',' from WORK.NEWEMPLOYEE

where Salary > 40000);

B.

Replace line 104 with:

where https://www.sodocs.net/doc/951135427.html, =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.

Item 4 of 63 Mark item for review

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 ','

Item 5 of 63 Mark item for review

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.

Item 6 of 63 Mark item for review

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 Jobcode

order 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

;

Item 7 of 63 Mark item for review

A 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.

Item 8 of 63 Mark item for review

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

Item 9 of 63 Mark item for review

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 Min

from 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

;

Item 10 of 63 Mark item for review

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

Item 11 of 63 Mark item for review

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.

Item 12 of 63 Mark item for review

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.)";

Item 13 of 63 Mark item for review

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 https://www.sodocs.net/doc/951135427.html,BINE;

merge WORK.ONE WORK.TWO;

by Id;

run;

Which SQL procedure statement produces the same results?

A.

create table https://www.sodocs.net/doc/951135427.html,BINE as

select

Id,

Name,

Salary

from

WORK.ONE

full join

WORK.TWO

on ONE.Id=TWO.Id

;

B.

create table https://www.sodocs.net/doc/951135427.html,BINE as

select

coalesce(ONE.Id, TWO.Id) as Id, Name,

Salary

from

WORK.ONE,

WORK.TWO

where ONE.Id=TWO.Id

;

C.

create table https://www.sodocs.net/doc/951135427.html,BINE as

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 https://www.sodocs.net/doc/951135427.html,BINE 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

;

Item 14 of 63 Mark item for review

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;

B.

proc sql;

describe from TESTDATA.ONE;

quit;

C.

proc sql;

contents table TESTDATA.ONE;

quit;

D.

proc sql;

describe table TESTDATA.ONE;

quit;

Item 15 of 63 Mark item for review

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 280

SMITH 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

Item 16 of 63 Mark item for review

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

Item 17 of 63 Mark item for review

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

Item 18 of 63 Mark item for review

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.

Item 19 of 63 Mark item for review

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)";

Item 20 of 63 Mark item for review

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.

Item 21 of 63 Mark item for review

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.

Item 22 of 63 Mark item for review

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;

Item 23 of 63 Mark item for review

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;

;

【高二语文】专项提升《语言文字运用》练习题(附答案)

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英语四级近三年真题作文及答案

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