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Draw a DFSA for identifiers that contain only letters and digits, where the identifier must have at least one letter, but it need not be the first character. Hint: everything to the left of the leftmost letter must be a digit.
Create and run the following sql queries and submit the screen shot of your result. Also submit the file lab_06_03. sql
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
ER diagram for the Baxter Aviation database
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
Controls which need a database to either execute transaction completely or not at all.
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
Create a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
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