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Explain the functions of data manager?
Functions of Data Manager :- Convert operations in user's queries coming directly through query processor or indirectly in an application program from users logical view to a physical file system.- It interfaces along with file system enforces constraints to maintain consistency. And integrity of the data as well as its security. (Authorization and Integrity Manager).- Synchronizing simultaneous operations performed through concurrent users. (Transaction Manager) - Back up and recovery operations (Transaction Manager)
how does Btree differ from a B+ - tree?
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
Whst is logical schema ? Logical schema is the entire database.
Differentiate between horizontal & mixed horizontal fragmentation?
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
Greater potential for bugs: Since the sites of a distributed system operate simultaneously, it is more complex to ensure the correctness of algorithms. The art of constructing dis
Create an entity relationship diagram, Database Management System
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
random file sharing
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
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