Question: DATABASE - RELATIONAL ALGEBRA CertID C1 C2 C5 NurselD CertID C1 n1 n1 n1 n2 n2 c2 C1 C2 C1 c2 C3 (21 C2 C5

DATABASE - RELATIONAL ALGEBRA

DATABASE - RELATIONAL ALGEBRA CertID C1 C2 C5 NurselD CertID C1 n1

CertID C1 C2 C5 NurselD CertID C1 n1 n1 n1 n2 n2 c2 C1 C2 C1 c2 C3 (21 C2 C5 n3 n5 n6 8. Given that R S can be equivalently expressed via , X and-operations in the form T4=T3-R T=T1-T2 Show T1, T3, T4, T2 and finally T

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