1. BA271 Week 8 Lecture Simple Queries Dave Sullivan Caution: Writing queries may be the hardest part of this class all term

2. Status Report … Review where we are … –Website Project –partly graded –Access #1 – graded –Access #2 – Will be harvested after class.

3. Today’s activities … Build simple queries Build simple queries Look at the Winter 2004 term’s Query Quiz Look at the Winter 2004 term’s Query QuizWinter 2004 term’s Query QuizWinter 2004 term’s Query Quiz Talk about rules to use when selecting the tables to put in the top half of a query’s design view. Talk about rules to use when selecting the tables to put in the top half of a query’s design view.

4. Rules for building multi- table queries … –Everything that will appear in the answer must be in the top half of the query’s design view. –All tables in the top half of the query-by- example form must be linked together. –Don’t put any “extra” tables in the top half of the query.

5. Activities you should do: Complete the Access #3 assignment by Friday at 2 p.m. Complete the Access #3 assignment by Friday at 2 p.m. Consider working though queries in the Query Quiz portion of the BA271 website. Consider working though queries in the Query Quiz portion of the BA271 website.Query Quiz Query Quiz

6. Today’s work sample Use a 4” by 6” card to create an Access-like Entity-Relationship diagram with tables, fields and one-to-many relationships that captures the data from the next slide’s Invoice report. Use a 4” by 6” card to create an Access-like Entity-Relationship diagram with tables, fields and one-to-many relationships that captures the data from the next slide’s Invoice report.