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Employeelnfo is an object that contains three variables Name, ID, and Salary, respectively. To extract the variable ID, we can use the code(s) Employeelnfo[2,]
Employeelnfo is an object that contains three variables Name, ID, and Salary, respectively. To extract the variable ID, we can use the code(s) Employeelnfo[2,] Employeelnfo[,2] Employeelnfo[2] Employeelnfo$ID
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Concepts of Database Management
Authors: Philip J. Pratt, Mary Z. Last
8th edition
1285427106, 978-1285427102
