0 rows


table to cache results from analysis done in statistics report for quizzes.


Column Type Size Nulls Auto Default Children Parents Comments
id bigserial 19 nextval('app_quiz_statistics_id_seq'::regclass)
quizid int8 19 null
groupid int8 19 null
allattempts int2 5 null
timemodified int8 19 null
firstattemptscount int8 19 null
allattemptscount int8 19 null
firstattemptsavg numeric 15,5 null
allattemptsavg numeric 15,5 null
median numeric 15,5 null
standarddeviation numeric 15,5 null
skewness numeric 15,10 null
kurtosis numeric 15,5 null
cic numeric 15,10 null
errorratio numeric 15,10 null
standarderror numeric 15,10 null


Constraint Name Type Sort Column(s)
app_quizstat_id_pk Primary key Asc id

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