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Consider the ER diagram that you designed for the Prescriptions-R-X chain of pharmacies in Exercise 2.7. De?ne relations corresponding to the entity sets and relationship sets in your design using SQL.
requirementscreate a database from scratch that contains at a minimum the elements listed below. the type of database
Controls which need a database to either execute transaction completely or not at all.
1. what a query execution plan?2. discuss the reasons for converting sql queries into relational algebra queries before
A distributed database management system (DDBMS) stores a logically related database over two or more physically distinct locations connected by a computer network.
Identify the potential sales and department store transactions that can be stored within the database and design a database solution and the potential business rules that could be used to house the sales transactions of the department store.
Each technician is an expert on one or more plane model(s), and his or her exper-tise may overlap with that of other technicians. This information about technicians must also be recorded.
the order in which the tables in your queries are joined can have an effect on the query performs. if your query is
Identify and describe three criteria that should be used to evaluate the selection of a database management system. Describe how an organization should use each criterion to evaluate database management system selection.
These are normalization procedures suggested by Shome and Cornell. EQ Tools program permits any of these normalization (or scaling) approaches.
scenariowallsherpool sixth form college -theatre companywallsherpool sixth form college is located in the north east of
Write a script that provides all of the information in, and duplicates the formatting of, Oracle's SQL*Plus describe command. Additionally, the output should add the comments on the rows. Input: owner and table name. Output: columns for Name, Null..
Consider a case that is not described above, but could happen in the business of the ABS. Please explain the case and why it might occur and based on the case you proposed, modify your design of the ABS database accordingly.
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