Consider relation R in the following E/R diagram. If E1 has 3 entities, E2 has 4 entities, and E3 has 5 entities, what is the MAXIMUM number of tuples of R? E2 R E1 E3 Select one: O 15 60 O 20 3 x O 12

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A: The Answer start from step-2.

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.