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What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Types of Data fragmentation
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
For each 1: n relationship type R involving two entities E1 and E2, we recognize the entity type (say E1) at the n-side of the relationship type R and contain primary key of the en
What are the function of DBA?
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
Using a labelled diagram explain the operation of the Data Warehouse, define the basic architectural components and outline the main functionalities. Briefly explain the role an op
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
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
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
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