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Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price on each order line for each order.) Illustrate the data in the view.
These comprise NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints. Are these constraints which we are talking about easy to implement in Access Database?
Write down the responsibilities of the database administrator (DBA)? Could you outline tasks that he/she has to perform, and what could be consequences if these matters are not handled?
Sketch a DFSA for identifiers which contain only letters and digits, where identifier should have at least one letter, but it need not be first character.
Create a database design specification Enhanced Entity Relationship Diagram (EERD) and Relational Data Model from the given business description - Database Management System
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Explain the content of this document in natural language;Design the graph representation of document;
Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.
Based on the schema write SQL statements and provide the equivalent relational algebra expressions - relational algebra expressions return and give the equivalent SQL statements.
Understand and interpret a set of business rules for a database and create an Enhanced Entity Relationship Diagram that models the requirements accurately
You have been asked to design database design for BoingX Aircraft Company (BAC), that has two products: TRX-5A and TRX-5B HUD (heads-up display) units.
The DBA denormalized some of the data in the Premiere Products database to improve performance. Which field or fields cause the table to no longer be in third normal form? In which normal form is the denormalized table?
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