(Storages)
Animals
[Categories]
Pig
Weight, DOB, feeding, type of feed, breed, sex
Cow
Weight, DOB, feeding, type of feed, breed, sex, milk
Sheep
Weight, DOB, feeding, type of feed, breed, sex, wool

–> [PIG]
Highest weight?
Weight gain, loss?
Number of breeds during weight gain/loss?
Weight gain since feeding has changed?

–> [COW]
Milk given?
Milk given during weight gain/loss?

Software Development Course
[Categories]
Student
Name, DOB, contact, grades, attendance

–> [STUDENT]
Highest grade?
Performance in a specific semester (possibly specifying date)?
Performance relative to attendance?
Improvement?

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