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Q.1 Name some common data structures of python’s pandas library. Q.2 Given a list L=[3,4,5] and an ndarray N having elements 3,4,5. ... A scatter chart from the 1990 and 2010 columns of dataframe df1. ... Can a table have multiple primary keys? Can it have multiple foreign keys? 3. In a Student table, out of Roll Number, Name, Address which ... ................
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