?Printed output is used in _____, which are output documents that are later entered back into the same or another information system.
A. ?milestone documents
B. ?tender documents
C. ?turnaround documents
D. ?policy documents
Answer: C
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Define dynamic assignment on a switch.
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. The OS/JCL DD statement VOLUME (or VOL) parameter specifies a particular disk volume (or pack). 2. The OS/JCL DD statement DISP (disposition) parameter tells the system what to do with a disk file after the job step is completed. 3. On an OS/JCL DD statement DISP (disposition) parameter, the third DISP sub-parameter defines the file’s disposition following abnormal job termination. 4. The programmer must code the appropriate parameters to access the standard system input and output devices. 5. Sometimes, two or more DD statements, each in a different job step but still within the same job, are assigned the same DDNAME.
Calculate the cardinality and minimum cost for each of the following Join operations:
? a hash index with no overflow on the primary key attributes, roomNo/hotelNo in Room; ? a clustering index on the foreign key attribute hotelNo in Room; ? a B + -tree index on the price attribute in Room; ? a secondary index on the attribute type in Room. nTuples(Room) = 10000 bFactor(Room) = 200 nTuples(Hotel) = 50 bFactor(Hotel) = 40 nTuples(Booking) = 100000 bFactor(Booking) = 60 nDistinct hotelNo (Room) = 50 nDistinct type (Room) = 10 nDistinct price (Room) = 500 min price (Room) = 200 max price (Room) = 50 nLevels hotelNo (I) = 2 nLevels type (I) = 2 nLevels price (I) = 2 nLfBlocks price (I) = 50 J1: Hotel hotelNo Room Assume nBuffer = 100 J2: Hotel hotelNo Booking J3: Room roomNo Booking J4: Room hotelNo Hotel J6: Booking roomNo Room
What happens when a catch handler throws an exception?
What will be an ideal response?