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Client Server Databases- The concept behind the Client/Server systems is simultaneous, cooperative processing. It is an approach that presents a one systems view from a user's viewpoint. It includes processing on multiple, interconnected machines. It gives coordination of activities in a manner transparent to end-users. Keep in mind, client-server database is distribution of activities into clients & a server. It might be have a centralised or distributed database system at the server backend. It is primarily a very well-liked commercial database implementation model.
Increased overheads on update : On the drawbacks side, it will need the system to ensure that all replicas of a relation are consistent. This shows that all the replicas of the rel
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
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
Define reference file
Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.
What do you understand by transitive dependencies? Define with an example any two problems that can take place in the database if transitive dependencies are available in the datab
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
Question : (a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS: (i) Entity Relationship Diagr
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