deadlock can never occur

deadlock may occur

deadlock has to occur

none of these

relative organization

key fielding

dynamic reallocation

all of these

sequential file

ISAM file

variable depending upon the usage of the dataset

a partitioned data set

tree structure

one level structure

two level structure

none of these

is a low percentage of number of records that are added to or deleted from a file

is a measure of the percentage of existing records updated during a run

refers to how closely the files fit into the allocated space

is a measure of the number of records added or deleted from a file compassed with the original number of records