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Define deadlock prevention.
Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre-emption and circular wait cannot hold. By make sure that that at least one of these conditions cannot hold, the occurrence of a deadlock can be stop.
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
Table_Name( attribute_1, attribute_2, attribute_3, ….. ,attribute_x) Primary Key ( attribute_1, attribute_2) Foreign Key attribute_4 References Table_Name_2 (repeat for each fore
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
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