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Give the Introduction of OBJECT DESIGN
Strategies which are selected during system design are carried out in object-oriented design. In this procedure, objects which are identified in the analysis are implemented in a way that it minimizes memory usage, other associated costs and execution time. All this is done by selection of appropriate algorithms, by enforcing proper controls and optimizations.
In this section, we will cover the ideas of object design for process, proper algorithm selections, control implementation and design optimization, with proper adjustment of the inheritance.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
atient(PNumber, Name, NHS_no, Amount_due, DNO, Doctor, Medical_Treatment), relation of schema Staff(StaffNum, Name, DNO, Task) and relation of schema Dept(DNO, Name, Location, Dire
What is Nested Queries explain in details? Nested Queries - A SELECT query could have subquery(s) in it. While a SELECT query having another SELECT query in it, is known as n
Write the motivations led to development of OO-DBMS? 1. Programmer frustration with RDBMSs. 2. Requirement for special features.
The Assessment page has a link to download a conceptual model, and a list of data. You are to map this conceptual model, and create the database in Oracle using your own DDL. T
Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit yo
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
MySQL Database Merge Project Description: I have two databases, I need merge the data of one database into another Work to be done online right now. Payment can be done
WHAT IS DATABASE TECHNOLOGIES
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