INTERVIEW QUESTIONS CERTIFICATION EXAMS SYBASE CERTIFICATION EXAMS DETAILS

Question: Given: number of worker processes = 10, max parallel degree = 5, max scan
parallel degree = 4. Table A has the following characteristics: Datarows locking, No indexes, a column
named price, 5000 rows, 4 partitions. A user executes the following query: Select * from A where price <
$10. Which of the following conditions would cause the query to run in serial instead of parallel? (Choose
2)
A. there are not enough worker processes available at run time
B. the database option select into/bulkcopy/pllsort is not set to true
C. the partition skew is 2.3
D. the database is set for single user mode
E. max parallel degree does not match the number of partitions

Answer: A. there are not enough worker processes available at run time
C. the partition skew is 2.3

A. there are not enough worker processes available at run time
C. the partition skew is 2.3 Source: CoolInterview.com

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