Things to Note ...

• Quiz #2 available at 6pm ... closes Thu 31 March
• Assignment 1 now running ... due Fri 8 April
  • Must be in a Webcms3 group to be able to submit
• Consultations: Tue 3-4, Wed 2-3 in K17-410

In This Lecture ...

• Cost models (E16.1, G15.1, R12.2, S13.2, K10.1)
• RelOps: Scan, Sort (E18.2, G15.1-2, R13, S13.4, K10.2)
• Relops: Projection (E18.4, G15.2, R14.3, S13.6, K10.3)

Coming Up ...

• RelOps: 1d select (E17, G14, R10,11, S12, K10.4)
• RelOps: Nd select (E17.4, G14.4-6, R?, S12.5, K10.4)