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State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
What is view in SQL? How is it defined? Any relation that is not part of the logical model, but is made visible to a user as a virtual relation is known as a view. We descri
Smart Alex Catering Sevice (SACS) is a company offering top class catering staff for prestigious events. The company employs approximately 200 hourly paid contact staff - chefs,
give some example real-life situations where DBMS are most suiitabe
Describe the different RAID levels. Discuss the choices of the different RAID levels for different applications. Ans: There are several combinations of these approa
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