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- Prepare
- Databases
- Relational Algebra
- Basics of Sets and Relations #6
Basics of Sets and Relations #6
Basics of Sets and Relations #6
Consider the following data table named Student.
Name Number Sex
Nina 3412 F
Mike 1234 M
Nelson 2341 F
What is the count of attributes (columns) returned in the following projection?
Ï€(Name, Number)(Student)
Only enter a single integer. Do not include any extra spaces or newlines.