12. R 1. I 2 3 4 6 1 B 5 S BCD 2 + 6 6 8 47 9 Compute the result of the following query: SELECT R.A, R.B, S.B, S.C, S.D FROM R OUTER JOIN S ON (R.A>S.B AND R.B = S.C) Which of the following tuples of R or S is dangling (and therefore need to be padded in the outer join)? a) (4,6,8) of S. b) (2,4,6) of S. c) (4,7,9) of S. d) (5,6) of R.

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Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.