How the reduction of maximum cardinalities causes data loss

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Reference no: EM131218871

a. Suppose that tables T1 and T2 have a 1:N relationship. Show the SQL statements necessary to fill an intersection T1_T2_INT. Make up your own names for the primary and foreign keys.

b. Explain how the reduction of maximum cardinalities causes data loss.

Reference no: EM131218871

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