sas di studio interview questions

• Q1) Explain Data Dimension? …
• Q2) Explain Data Access? …
• Q3) Define Data Governance? …
• Q4) What is Exception reporting in DI? …
• Q5) Explain multi-dimensional reporting? …
• Q6) What is meant by dimension tables in DI? …
• Q7) Explain the data staging area in DI?

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31) For Whom Is Sas Data Integration Studio Designed?

Ans:

SAS Data Integration Studio empowers data integration managers and designers to work more efficiently, manage change effectively and deliver high-quality results faster.

Our design of course tutorials and interview questions is practical and informative. At TekSlate, we offer resources to help you learn various IT courses. We avail both written material and demo video tutorials. For in-depth knowledge and practical experience explore Online SAS DI Training.

32) What is data dimension?

Ans:

It is the definition of the customer, product and organization data to be held in central location and to be accessed by all the with governance around change. Common set of dimension are required to support all business views of data and self service reporting. Business view has the capability to segment customer, product and organization data across any dimension.

33) What is data reconciliation?

Ans:

It Is the correction of the data inconsistency If data is loaded incorrectly from source system and if there is inconsistency between source system and loaded data then source system is treated authoritative.

34) What do you mean by exception reporting?

Ans:

It is the reporting for data load completion to include any data issues.

35) What is multi dimensional reporting?

Ans:

It allows users to efficiently aggregate and analyze business metrics across core business dimensions.

36) What do you mean by fact table in dw?

Ans:

Fact table represents the subject oriented and the focus of analysis. it generally contains elements f analysis such as sales, cost, quantity sold etc. these attributes can be summed up or averaged in order to understand the particular aspects. Fact table can also be sum up as union of the dimension tables that allows the fact measures to be analyzed from different scenarios.

37) What do you mean by dimension tables?

Ans:

Dimension table are integral companion to a fact table. It contains the textual descriptions of the business. In a well designed dimensional model, dimension tables have many columns or attributes. These attributes describe the row in the dimensional table. Dimension attributes serve as the primary source of query constraints, groupings and report labels.

38) Explain about Manual Integration and Application Based Integration.

Ans:

Also known as Common User Interface.

All the relevant information to access form the source system or web page interface is operated by the users.

Unified view of the data does not exist.

ABI requires specific applications for implementing all the integration efforts.

When the number of applications is limited, this approach is well manageable.

39) Difference between Data integration And ETL programming?

Ans:

Passing of data to different systems from other systems is known as data integration. It may integrate data within the same application.

ETL, on the other hand, is to extract the data from different sources. The primary ETL tool job is to transform the data and loads into other objects or tables.

40) What is Uniform Data Access Integration?

Ans:

The generated consolidated data need not require separate storage space.

Data history and version management is limited and applied only to the similar type of data.

Accessing to the user data overloads on the source systems.

UDAI places the data in the source systems.

A set of views are defined for providing access the unified view to the clients / customers.

Zero latency of data can be propagated from the source system.

41) Describe deployment of SAS Data Integration studio jobs as a SAS stored process.

Ans:

Job can be deploy as a SAS stored process in SAS Data Integration Studio. Code is generated for the stored process and the code is saved to a file in a source repository. Metadata about the stored process is saved to the current metadata server. The stored process can be executed as required by requesting applications. Stored processes can be used for Web reporting, analytics, building Web applications, delivering result packages to clients or the middle tier, and publishing results to channels or repositories. Stored processes can also access any SAS data source or external file and create new data sets, files, or other data targets supported by the SAS System

42) What is History Preserving?

Ans:

History Preserving is for providing new row in the target instead of updating the existing row.

The columns are indicated for transforming the changes that are to be preserved.

New rows are created when the value of certain column changes.

Each of these rows is flagged as UPDATE.

The UPDATE flag is applied for the input data set.

43) What is the function of output statement in a SAS Program?

Ans:

You can use the OUTPUT statement to save summary statistics in a SAS data set. This information can then be used to create customized reports or to save historical information about a process. You can use options in the OUTPUT statement to

Specify the statistics to save in the output data set,

Specify the name of the output data set, and

Compute and save percentiles not automatically computed by the CAPABILITY procedure.

44) What is the function of Stop statement in a SAS Program?

Ans:

Stop statement causes SAS to stop processing the current data step immediately and resume processing statement after the end of current data step.

45) What is the difference between using drop = data set option in data statement and set statement?

Ans:

If you don’t want to process certain variables and you do not want them to appear in the new data set, then specify drop = data set option in the set statement. Whereas If want to process certain variables and do not want them to appear in the new data set, then specify drop = data set option in the data statement.

46) What is the difference between reading data from an external file and reading data from an existing data set?

Ans:

The main difference is that while reading an existing data set with the SET statement, SAS retains the values of the variables from one observation to the next. Whereas when reading the data from an external file, only the observations are read. The variables will have to re-declared if they need to be used.

47) How many data types are there in SAS?

Ans:

There are two data types in SAS. Character and Numeric. Apart from this, dates are also considered as characters although there are implicit functions to work upon dates.

48) What are the differences between PROC MEANS and PROC SUMMARY?

Ans:

PROC MEANS produces subgroup statistics only when a BY statement is used and the input data has been previously sorted (using PROC SORT) by the BY variables.

PROC SUMMARY automatically produces statistics for all subgroups, giving you all the information in one run that you would get by repeatedly sorting a data set by the variables that define each subgroup and running PROC MEANS. PROC SUMMARY does not produce any information in your output. So you will need to use the OUTPUT statement to create a new DATA SET and use PROC PRINT to see the computed statistics.

49) How does PROC SQL work?

Ans:

PROC SQL is a simultaneous process for all the observations. The following steps happen when PROC SQL is executed:

SAS scans each statement in the SQL procedure and check syntax errors, such as missing semicolons and invalid statements.

SQL optimizer scans the query inside the statement. The SQL Optimizer decides how the SQL query should be executed in order to minimize run time.

Any tables in the FROM statement are loaded into the data engine where they can then be accessed in memory.

Code and Calculations are executed.

Final Table is created in memory.

Final Table is sent to the output table described in the SQL statement.

50) Briefly explain Input and Put function?

Ans:

Input function – Character to numeric conversion- Input(source,informat)

put function – Numeric to character conversion- put(source,format)

PILOT INTERVIEW Questions And Answers! (How to PASS an Airline Pilot Interview)

1. What is CRM process as Airline Pilot? The systematic and effective use of all available resources to ensure a desirable outcome and completion of the flight. Focusing on communication, teamwork, task allocation, decision-making and situational awareness. The major contributors in the CRM process are: Dispatchers, flight attendants, maintenance, ATC and of course the cockpit crew.

2. What is the MAP on a non-precision approach? Non-precision: MAP is usually visually identified by a capitol and bold “M” in the Jepps or at the end of the solid line on NOS. There are several ways to id the MAP: Published DME at the MAP, Navaid such as the middle marker (MM), or timing from the FAF

3. What is the importance of proficiency in several languages for a pilot? A private pilot may limit himself to knowledge of English good enough to understand control towers. Other pilots, being more publicly involved figures by necessity, greatly benefit from knowing more than one language.

4. What is your Proudest accomplishment? Becoming a pilot and graduating from college as to be the biggest accomplish so far.

5. What is the 1-2-3 rule? Requirements for filing an alternate. 1-2-3: 1hr before to 1hr after estimated time of arrival, the weather must be forecast to be 2000′ ceiling and 3SM vis.

6. What makes a good captain or what do you expect from a Captain? one that is knowledgeable, decisive, conservative and safety conscious, good people skills, superior communication skills, solid piloting skills, can manage stress and avoid confrontation

7. List your qualifications as a pilot? Besides relevant college degree(s), pilots graduate from flying school and participate in annual additional training.

8. What is GRID MORA? It’s an altitude derived by Jepp or provided by state authorities. If derived by Jepp, Grid MORA clear all terrain and structures by 1000′ in areas where highest elevations are 5000′ MSL or lower. MORA values clear all terrain and structures by 2000′ in areas where highest elevations are 5001′ MSL or higher. Grid MORA (State) altitude supplied by the State Authority provides 2000′ clearance in mountainous areas and 1000′ in non-mountainous areas. Also… a +/- denote doubtful accuracy but are believed to provide sufficient reference point clearance.

9. What is the definition of CRM? CRM is a system which allows optimum use of all available resources – equipment, procedures, interpersonal communication, team work – all to promote safety and enhance efficiency in operations

10. What is Vso of your most recent aircraft? Cessna 172 is 41Kts

11. What is the max distance from the runway if you were to circle to land? Depends on your speed

12. Have you applied anywhere else? Just be honest on this one. If you are in the job hunt, it’s normal to apply to several companies. It’s great to tell them that Cathay is your top choice, but it would be suspect to say Cathay is your only choice.

13. What is mach tuck? As the aircraft reaches critical mach the nose of the aircraft tends to pitch downwards due to the flow of air over the wing reaching supersonic speeds producing additional life and center of pressure moving rearward. As the center of pressure moves rearward the elevators become less effective, pushing the aircraft into a potentially unrecoverable dive.

14. What is tower’s NORDO signal to be cleared to land? Steady green

15. What is VMCG? minimum speed control in the ground

16. What is the difference between Blue, Green Airports? blue is IFR (has approaches) green is VFR (no approaches)

17. What is GRADIENT CLIMB? 3%

18. What is VMCA? Minimun Speed Control in the Air

19. What is windshear? its a change on direction and speed of the wind

20. What is MOCA? Minimum Obstacle Clearance that provides obstable clearance between Vor airways. It also ensures VOR coverage 22nm from the nearest VOR

21. What is hyperventilation? hyperventilation is when the body has too much Oxygen and not enough Co2

22. Ever had an emergency? yes, many over the years

23. Pilots have many simultaneous responsibilities during the flight. What can you tell me about this? Pilots navigate the flight, observe and direct the activities of the crew, check instruments, keep an eye on the weather, and monitor altitude and air traffic. Doing all these and more, often simultaneously, requires outstanding multi-tasking skills and power of concentration.

24. What are the max airspeeds in C airspace? 200 KIAS within 4 NM of Primary Class C Airport

25. How would you behave as the pilot of a plane during an emergency? Describe first what your emotional response would be. It is important to demonstrate, preferably through examples, that you can maintain your poise during such events, and that you possess enough presence of mind to activate emergency procedures and delegate duties among crew members as necessary.

26. Where do you see yourself in 6 months? with your company

27. Did you ever have to modify the flight course in the past? Pilots are able to modify the course in flight, if this is dictated by internal or external conditions. This is not a small responsibility and needs careful coordination with control towers and scrupulous attention to detail.

28. What Is V2? takeoff safety speed

29. What Is Max A/s In Class C? Airspeed maximum of 200 knots indicated within 4 nautical or 5 statute miles and 2500 feet above the ground of the primary airport.

30. What Are The Cdi/raim Sensitivities Of A Gps Outside 30nm? Inside 30nm? +- 5 mi +- 1 mi

31. What Is The Effect Of Aft Cg On Performance? rearward Cg gives better fuel efficiency

32. What Is An Lda? a precision approach that is offset from the runway, it may have GS

33. Where Is The Faf On A Vor/ils Approach? On a VOR approach, the FAP is whenever you are established on course inbound and the final decent may be started. For non-precision approaches, the FAF is the “Maltese Cross” and for precision, the arrow which identifies the GS intercept.

34. Why Cape Air? big airline paneer

35. What Kind Of Airspace Is Around Lax? Class B. Very congested airspace.

36. What Is V1? Take off decision speed

37. What is hypoxia? Lack of oxygen to body tissues

38. Why do you like Compass? I like the new modern equipment and I like the fact that it’s got flow through to/ is part of Northwest.

39. What is a squall line? It is a continuous narrow line active of thunderstorms ahead of cold front but can develop far removed of any front. May be too long to detour, too thick to penetrate. It forms very rapidly reach Max intensity in late afternoon or early evening. IT IS THE SINGLE MOST INTENSE WEATHER HAZARD FOR AIRCRAFT.

40. Why do you want to work for Allegiant? growing company, day trips, upgrade potential

41. Why Ameriflight? I’d like to fly cargo and gain the single-pilot IFR experience

42. Did you ever have a problem with an F/O? Yes

43. What is your clearance limit when cleared for the approach and then you loose coms? The published hold on the missed.

44. What is MEA? Minimum En Route Altitude, lowest altitude on that airway that assures obstacle clearance and acceptable navigational reception.

45. What is Definition of V2? Single engine climb speed until safe altitude or clear of obstacles

46. What is Definition of V1? on a balance runway it is the last chance for you to decide not to go if you have and emergency and still stop on the runway according to the air data

47. What is the definition of Hypoxia? Not enough Oxygen

48. What is the seating capacity of the Dash 8 100 and 300 and how many flight attendants you need? DA-100 (37) DA-300 (50) FA 1

49. Tell me the biggest factor as far as fuel conservation goes as it relates to a jet engine? TSFC thrust specific fuel consumption which directly inperpolates to power setting and altitude. Higher you climb the less fuel required. Throttle settings also have a say in conservation and relates more to maintenance issues which is why full throttle takeoffs are rarely done.

50. What qualities make a good captain? Confident, Diligent, Good CRM skills, Good Problem Solver

51. What’s your choice of base? PDX or Seattle

52. World Airways Pilot Interview Questions:

Why World?

Why should we hire you?

What is the maximum take off weight of the aircraft I flew?

How did you get into an aviation career?

Tell me about a time that you made mistake in airplane? and what you learned from it.

Describe what a Captain is.

Do you want to be a Captain?

Do you mind being an FO for 5 years?

Was asked to grade my sim performance from the day before!

What engines are on the airplane you have been flying?

53. Flight Express Airline Pilot Interview Questions:

Why you?

Are you sure this is what you want to do?

Tell me about yourself.

54. Lion Air Airline Pilot Interview Questions:

What is Bernoulli law? how the aircraft can fly?

What is Newton’s Law?

What is ACN/PCN?

Know about Piston Engine

Loyalty to company

55. LAN Airline Pilot Interview Questions:

Why do you want to become a pilot?

Why LAN Chile?

Where do you see yourself in 5 years?

Did you have any bad experience in the past?

What is your best quality?

What is your weakness?

What have you heard about LAN chile?

What would you do if you were on final and suddenly had an electrical fire in the cockpit?

What would you do if you were cruising and noticed that your captain was unconscious?

56. Miami Air International Airline Pilot Interview Questions:

Tell something about your flying career.

What am I looking for in their company?

What is the dumbest thing you have done in an airplane?

What are you looking for in an airline?

Are you prepared for life at Miami Air Long days Away from home Pay 90 minute callout

Have you had any failed checkrides?

Have you had any traffic tickets?

Have you had a DUI?

Do you have a criminal record?

Do you have any accident s/ incidents on record?

57. Mokulele Airlines Pilot Interview Questions:

Tell me about your previous work experience.

What are your strengths?

What is your weakness?

What has been your flying experience with the past 60 days?

What has been your flying experience with the past 30 days?

Why did you apply here?

Do you have any violations, incidents or accidents?

Do you have any weather experience?

58. Ryan International Airlines Airline Pilot Interview Questions:

Why do you want to work with Ryan?

Describe your flying career.

What was your worst job?

What was your best job?

What would you do if the Captain smells like alcohol?

What would you do if the captain wants to continue below minimums?

What would you do if the captain wants to break a company rule?

Tell me a time you broke an FAR?

Tell me a time you had a conflict at work.

Approach lights for the cat 2 ILS: what do they look like and what do you need to see to continue?

59. Seaborne Airlines Pilot Interview Questions:

What is your Total Flight Time?

What ratings do you have?

When did you fly last?

What is your total time in the last 6 months?

What is your total time in the last 12 months?

What class medical do you have?

When did you start flying?

Why did you start flying?

Wx goes below mins past the FAF, can you continue and when you would go missed.

Describe TDZE

60. XOJET Airline Pilot Interview Questions:

Why XOJET?

Why not other companies like NetJets or Flextjet?

Do you want to work for the legacy airlines liked United, Delta or American?

Have you applied to anyone else?

What is the foundation of good leadership?

What is your leadership style?

If there is someone out there that you’ve had differences with and you would not go to that person for a recommendation, what would he/she say about you?

Tell us about yourself.

How did you get in aviation/flying?

What are your strengths?

Why did you decide for a career of a pilot?

Say them that you enjoy flying, and that you believe to be a responsible person. You can also say that you have all skills and strengths needed for this type of work. Alternatively you can refer to an experience that motivated you to pursue the career, such as meeting a pilot when you were young, or having passion for aircraft models since childhood.

The key is to convince them that you really want the job, and did not apply just because you’ve already spent a small fortune on your studies and training.

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FAQ

What is SAS DI Studio?

Why SAS DI is used?

What is the full form of SAS Di?

• List down the reasons for choosing SAS over other data analytics tools. …
• What is SAS? …
• What are the features of SAS? …
• Mention few capabilities of SAS Framework. …
• What is the function of output statement in a SAS Program? …
• What is the function of Stop statement in a SAS Program?