kingjaydee1111 kingjaydee1111

24-05-2023
Computers and Technology

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Given the database schema below, write a relational algebra expression to get the count of records in the DEPENDENT relation group by Essn. Also, show the result of your query.
DEPENDENT
Essn Dependent_name Sex Bdate Relationship 333445555 Alice F 1986-04-05 Daughter 333445555 Theodore M 1983-10-25 Son 333445555 Joy F 1958-05-03 Spouse 987654321 Abner M 1942-02-28 Spouse 123456789 Michael M 1988-01-04 Son 123456789 Alice F 1988-12-30 Daughter 123456789 Elizabeth F 1967-05-05 Spouse

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