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Explain with examples different types of keys used in relational database, how they help relating different tables.
For each of these statements, include a screenshot of the SQL. Make sure to include the statement execution, including the resulting data. Display all columns and all rows from the Employees table.
For the following requirements analysis description, develop an Entity-Relationship Diagram as a conceptual model that captures all of the requirements to the fullest extent possible.
Sketch an E-R diagram which reflects the above reuirements. Write a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
Design an ER diagram to capture the requirements. State any assumptions you have that affects your design and three-level schema architecture for the Gyan Gurukul Company that provide better security also design a data abstraction for his client ka..
Recognize level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur.
Create a Data Warehouse conceptual design using Star Schema Modelling and document all steps during the design process
Assume you were a newly hired IT Security Manager at a software development company that in the past hasn't paid much attention to security, especially in its database development processes.
Create a report which identifies five most expensive bicycles. The report must list bicycles in descending order from most expensive to lease expensive, the quantity on hand for each, and the markup percentage for each.
You need to develop new user named ASSOCDBA1 and new ROLE named JRDBA1 which can be used for assistant DBA. You wish the new role to contain DBA role that the SYSTEM user ha
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Assume you are making a database to help university keep track of its course offerings. You might have following entities in database, as they are distinct items in real life.
Due to the tight deadline, the project team was assembled quickly with ten (10) team members of various backgrounds. There are three (3) offshore developers in India and two (2) QA testers in San Francisco, CA.
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