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  4. Basics of Sets and Relations #6
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Basics of Sets and Relations #6

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  • SVVBathini_w
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    Answer is 2

  • lesliegran06
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    Great introduction! 👏 Understanding the basics of sets and relations is so important in database design. t20 exchange

  • johanpainters
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  • DeniseBrock3
     + 0 comments

    The question tests the understanding of relational algebra projection. The given relation Student has three attributes: Name, Number, and Sex. The projection π(Name, Number)(Student) selects only the Name and Number attributes, excluding Sex. Ekbet 48

  • mariondeaton06
     + 0 comments

    It’s amazing how these mathematical operations translate into the queries we use every day in SQL Betbook250 login