Of course. I tried to translate the original Hungarian names and comments to English for easier reading.
It is written in Oracle PL/SQL (it runs on 9i).
The tables:
PATIENT: the patient's ID's and the date of their death.
CONSUMPTION: drug consumption (who, what, when).
SEARCHED_DRUG: drug_id's...
Hi,
I have to create groups of people based on their drug consumption and then I have to track the movements between the groups over time.
So I have the following table (simplified for this task):
CONSUMPTION (
SSN VARCHAR2(9),
DRUG_ID VARCHAR2(9),
SELL_DATE DATE)
(SSN is the social...
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