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Draw the database using the ER approach and then make the tables accordingly. Populate the tables so that every table have at least 10 tuples. Then using Java and SQL, execute the following functionality:
1. Insert a new user, make sure that every email can be registered at most once.
2. Delete an existing user;
3. Update an existing user by any attribute. Some easy GUI interfaces are expected for every functionality.
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
lock and types of lock
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
sy bcs project of hospital managment system
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
What is NULL? Give an example to described testing for NULL in SQL? The NULL SQL keyword is used to represent either a missing value or a value which is not applicable in a re
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
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