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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 a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
You are interested in analyzing some hard-to-obtain data from two separate databases. Each database contains n numerical values.
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.
Prepare the relational schema for database
Transform the tables into one or more tables in BCNF. State the primary keys, candidate keys, and referential integrity constraints.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
All primary keys are underlined. All foreign keys have same name as primary key that they are referencing. Determine the names of all Tracks which are more than 10 minutes (600,000 ms) long.
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.
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
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)?
Show all the data in each of the four tables. Do not show foreign key columns. Write names and e-mail addresses for all customers who have had a stove repair that cost more than $50.
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