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What are stored and derived attributes?
Stored attributes: The attributes keeps in a data base are known as stored attributes.
Derived attributes: The attributes that are derived from the stored attributes are known as derived attributes.
Explain the Concept of Two-phase Locking It concerns the positions of locking and unlocking operations in each transaction. In this protocol every transaction issue lock and u
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Project Description: Critical Project for VMware Technical support. VMWare ESXi 5.1 support for upgradation and migration problem. Technical expert of Vmware needed. Sk
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
distributed quey processing
Describe in brief about DBMS ?
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
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