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Describe the objective of Structural Diagrams
The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their elements consist of class, active class, interface, component, processes, node, threads, documents, applications, files, pages, library etc. The four major structural diagrams are class, object, and component and deployment diagram.
The functions of DBA ?
what is binary relationship
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
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
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
In Oracle what is system global area and how is it organized? The SGA is a collection of shared memory fields which along with the Oracle processes constitute an Oracle instan
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
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