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What is it about a 200 MB video or audio file which makes it so much more of database management challenge than relational database the same size?
What can be done to make data in these multimedia files more manageable, queryable, reportable and analyzable?
A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Determine any constraints you need that are not stated in the problem.
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
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?
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
What are the functional dependencies among the data represented in this first normal form relation?
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
Draw the E/R diagrams for the business rules
Which field or fields cause a table to no longer be in third normal form? In which normal form is denormalized table?
Developers have noticed that EMP table doesn't have an assigned primary key. EMP_ID column has been selected to be the primary key.
Explain the thought process of DBA as they craete the database to be fault tolerant. What policies would you suggest to get this goal?
creating database structure using SQL
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