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Prepare a brief report that describes how data warehouses and online transaction processing complement each other. In your report make sure to include the following:
• Why do companies use data warehouses?• What are the advantages of a data warehouse?• Are there control issues that must be taken into consideration? Explain.
Create an index on the table "Players", indexing on "Team".
Convert it to a relational schema, Database Management System
E-R diagram - Basic Entity Relationship Diagram Colleges and universities must draw a clear connection between the requirements of the field for which the student is being prepared and the things required of the student as part of that preparation pr..
Fundamentals of Databases (IT403) Explain the distinction between total and partial constraints - Explain the difference between a weak and a strong entity set.
Write a select statement based on the InvoiceTotal column of the Invoices table: Use the CAST function to return the first column as an integer value. Name it IntTotal. Name it IntTotal
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Draw the corresponding GRD, exhibiting all the primary keys and foreign keys. For simplicity, no other attributes nor multiplicity constraints are required.
Describe any limitations or constraints related to the data and how it is structured.
Developing activity diagrams. (Please note that for the use case, "Buy Items", there are two scenarios, namely, "General public customer buys items" and "Contractor customer buys items". You should develop an activity diagram for each of the..
Expand the XML file a little bit by making sure that it is valid as well as well-formed.
you are the trainer for a major technology firm. one of the problems your firm has is hiring new technologists who have
What are the differences between anonymous PL/SQL code and procedures (Oracle named blocks)? Explain the steps in creating Oracle non-predefined exception handlers and user defined exception handlers.
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