Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) DBMS Query Language Relational Algebra

Given two table R1 (x, y) and R2(y, z) with 50 and 30 number of tuples respectively. Find maximum number of tuples in the output of natural join between tables R1 and R2 i.e. R1 * R2? (* - Natural Join)

1
30
2
20
3
50
4
1500
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