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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.
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
how to calculate frequency count of algorithm
Explain the benefit of OOM. Main benefits of object oriented modeling are development of system become fast, quality of the system get improve. It gives freedom of use of alrea
what is bogus empowerment. And what is genuine empowerment
Project Description: I am having a random problem with my Wordpress site. If I click on "Publish" and "Add new", it takes me to a 404 page not found of /wp-admin/post.php (th
explain equi-join using illustration
Accessing information about permissions to all users- Object level permissions: With the use of data dictionary you can see the permissions to user. Let us get the table name fro
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Define Hash files organization a. Hashing includes computing the address of a data item by calculating a function on the search key value. b. A hash function h is a functi
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