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- Question
How will you call the return code of JCL ?
- Correct Answer
- Return Code in JCL can b obtained by the use of COND paramaterit is used to know the return codes of previous steps
- 1. What is the use of SYSPRINT, SYSIN, DUMMY in JCL ? Discuss
- 2. What is a key field in an IMS database? Discuss
- 3. What is hierarchy relationship in a dimension. whether it is: 1) 1:1 2) 1:m 3) m:m Discuss
- 4. Why we can't create an aggregate on an ODS Object? Discuss
- 5. How do we Tune the BO Reports for Performance Improvement? Discuss
- 6. How do you check the syntax of a JCL without running it? Discuss
- 7. Which of the following type of data member can be shared by all instances of its class?
Options- A. Public
- B. Inherited
- C. Static
- D. None Discuss
- 8. In which of the following we cannot overload the function?
Options- A. return function
- B. caller
- C. called function
- D. none of the mentioned Discuss
- 9. What is the Standard Template Library? Discuss
- 10. Which is also called as abstract class?
Options- A. virtual function
- B. pure virtual function
- C. derived class
- D. None of these Discuss
Technology problems
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Correct Answer: SYSPRINT: All system output will appear under this DD card Suppose you are copying a VSAM file using IDCAMS Then, number of records processed, highest condition code etc will appear under sysprint You cannot customise SYSPRINT output SYSIN: This is nothing but SYStem INstruction Suppose, you want to sort a file on certain key You have to have following command under SYSIN SORT FIELDS = (starting-col,length,data-type,A/D) SUM FIELDS = NONE DUMMY: Mainly used where user is intended to simulate a program without creating an output file
Correct Answer: A Field that DL/I uses to maintain the segments in the ascending order is called the key field
Correct Answer: 1:m
Correct Answer: 1 Operational Data Store has very low data latency Data moved to ODS mostly on event based rather than time based ETL to Data Warehouse/Data Mart 2 ODS is more closer to OLTP system We don't normally prefer to store aggregated data in OLTP So it is with ODS 3 Unlike data warehouse where data is HISTORICAL, ODS is near real time(NRT) So data aggregation is less important is ODS as data keeps changing
Correct Answer: We can tune the report by using index awarness in universe
Correct Answer: TYPERUN=SCAN on the JOB card or use JSCAN TYPERUN=HOLD on the job card it is used for syntatical checks and direct job to spool and hold it
Correct Answer: Static
Explanation:
Static members are shared by all the instances of the class
Correct Answer: return function
Explanation:
While overloading the return function, it will rise a error, So we can?t overload the return function.
Correct Answer: A library of container templates approved by the ANSI committee for inclusion in the standard C++ specification A programmer who then launches into a discussion of the generic programming model, iterators, allocators, algorithms, and such, has a higher than average understanding of the new technology that STL brings to C++ programming
Correct Answer: pure virtual function
Explanation:
Classes that contain at least one pure virtual function are called as abstract base classes.
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