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Write an application that creates a database named PhoneBook. The database should have a table named Entries, with columns for a person's name and phone number. Next, write an application that lets the user add rows to the Entries table, look up a person's phone number, change a person's phone number, and delete specified rowss.
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 ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
Create a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
You should choose a data storage problem of your interest and identify the different pieces of data that should be stored in database.
Write a Assignment to study and modify the PostgreSQL source code, with a focus on one of the core modules - the buffer manager
Explain efficient algorithm that, provided edge-labeled graph G with distinguished vertex v0 and sequence s = σ1, σ2, ..., σk of characters from Σ, returns path in G which begins at v0.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
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