compare and contrast the hierarchical trust model, peer to peer trust model, and hybrid trust model
Consider the ER diagram for the AIRLINE database shown in Figure 7.20. Build this design using a data modeling tool such as ERwin or Rational Rose.
I need two ER models to be created in ER win. Need the ERWIN files at the end so I can generate outputsI.Page 241 Lab Exercise #7.31 II.Page 243 Lab Exercise #7.35
#16.20 - Show that the relation schemas produced by Algorithm 16.6 are in 3NF.#16.21 - Specify a template dependency for join dependencies.#16.22 - Specify all the inclusion dependencies for the relational schema of Figure 3.5.use attached reference for details
Need to verify answers for attached questions. Please verify and correct. Especially the first answer (is option C incorrect? If so, why?) Second question: please verify if correctly answered and correct if wrong.
CH 10: PRACTICAL DATABASE DESIGN METHODOLOGY AND USE OF UML DIAGRAMS#10.22 - What are the current relational DBMSs that dominate the market? Pick one that you are familiar with and show how it measures up based on the criteria laid out in Section 10.2.3?10.23 - A possible DDL corresponding to...
CH 5: More SQL: Complex Queries, Triggers, Views, and Schema Modification#5.5 - Specify the following additional queries on the database of Figure 3.5 in SQL. Show the query results if applied to the database of Figure 3.6.a.For each department whose average employee salary is more than $30,000...