databases Online Quiz - 41
|Description: databases Online Quiz - 41|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
How the monitor program should be written
Q1,Q2,Q3 are three diff Queues which are in a queue group with same pririty in each of the queue. there are two events in each of the queues. Whcih one of the following will happen?
The callback function of a timer with an interval of 5 seconds, sleeps for a period of 20 seconds. The timer events are dispatched in three threads .A statement at the start of the callback function prints out a message to the screen. What is the time difference between two consecutive messages output to the screen ?
The callback function of a timer with an interval of 5 seconds, sleeps for a period of 20 seconds. The timer events are dispatched in a single thread .A statement at the start of the callback function prints out a message to the screen. What is the time difference between two consecutive messages output to the screen ?
What are the parameters for creating a timer event object ? Choose 3.
Choose the two similar scenarios out of the following :
Which three statements are true about File Sets? (Choose three.)
Which three lookup types may be performed in the Lookup stage? (Choose three.)
You are working on a job in which a sequential file cannot be read in parallel. In an attempt to improve job performance, you first define a single large string column for the non-parallel sequential file read. Which stage may be used to parse the large string in parallel?
What is the lowest CPU cost partitioning method for parallel stage to parallel stage?
A DataStage job is sourcing a flat file which contains a VARCHAR field. This field needs to be mapped to a target field which is a date. Which will accomplish this?
Which Oracle Enterprise stage read property can be set using db options to tune job performance?
You need to invoke a job from the command line that is a multi-instance enabled. What is the correct syntax to start a multi-instance job?
Which two system variables/techniques must be used in a parallel Transformer derivation to generate a unique sequence of integers across partitions? (Choose two.)
Which action produces the most accurate Table Definitions for usage with the Oracle Enterprise stage?