Q.
(a) Write two examples of DBMS software.
(b) What is meant by NULL value in MySQL?
(c) Table 'Club' has 4 rows and 3 columns. Table 'Member' has 2 rows and 5 columns. What will be the cardinality of the Cartesian product of them?
Answer =
(a) (i) Oracle (ii) SQL Server (in) MySQL
(b) Null value signifies a legal empty value.
(c) 8
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