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1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of dependencies (partial, transitive).
b) Create the logical database schema. Identify all primary keys.
intent locking
discuss the purpose of the concurrency control?
Attributes and its types explain?
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Performance of Various Concurrency Control Mechanisms
what is un ordered and ordered file managment?
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
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.
Timestamps For Read operations: If TS (T) If TS (T) >= W-timestamp (Q), then the transaction T is trying to read a value of data item Q which has been written and committed
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