Question: C- Courses E Enrollment SID CRN 21 303 21 414 21 366 22 062 22 366 23 062 23 205 23 414 24 062 24366

C- Courses E Enrollment SID CRN 21 303 21 414 21

C- Courses E Enrollment SID CRN 21 303 21 414 21 366 22 062 22 366 23 062 23 205 23 414 24 062 24366 S - Students SID Name CRN Course 303 BUS BannerDescription Info Sys for Global Bus Enviro Digital Tools Info World nEnrl 21Scott Nishimoto 22 Tom Brower 23 Isaac Choy 24 Della Belatti 25 Sylvia Luke 310 Stat Analysis for Bus Decision 062 BUSA 345Management Information Systems 205 ICS 101 366 ICS 321 Information Storage & Retrieval 1. Write the expression using MATCHING for a relation containing just the names of the students not enrolled in any course 2 Complete the statement to update nEnrl (the number of students enrolled in the class) using the COUNT aggregate function and an image relation (!!) UPDATE C nEnrl- Prove the following expression produces the names of students taking exactly the same courses as Tom Brower by filling in the rest of the truth table 3. S WHERE SID- 22 AND (!!E-CS WHERE SID-22) (!!E )) NAME ) NAME Scott Nishimoto SID SID -22 AND -S WHERE SID-22 (E CRN 303 FALSE 414 366 CRN 062 366 TRUE FALSE 3 CRN 062 366 23 CRN 24 CRN 25 CRN

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