Trying to create a database with enrolled student information and want to query students enrolled for a specific semester who then returned for a different semester - but on a larger scale - who were retained 2nd year, 3rd year, 4th year, etc. Trying to have all my semester data in one table and some type of lookup table where I can put the beginning semester date and all the queries would "work" and "know" what the 2nd year would be and 3rd year, etc.
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