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Structure of Client Server Systems:In client/server architecture, clients show users who require services while servers give services. Both client and server are a combination of hardware & software. Servers are divided logical objects that communicate with clients over a network to do tasks together. A client makes a request for a service & receives a reply to that request. A server gets & processes a request, and sends back the needed response. The client/server systems may have two different types of architecture -
2-Tier and 3-Tier Client/Server Architectures
Each client/server application contains three functional units:
These functional units can reside on either the client or on one or more servers in the application:
Figure: A client-server system
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
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.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Add generation capabilities and/or tailor the built-in functionality of generator. This enables you to produce "all" the test data for the MySQL tables you produced in the previous
What Count function return in SQL? Count function within SQL returns the number of values. (Count function counts all the not null values in the exact column. If we need to cou
Give the two reasons for allowing concurrency
What are the DBMS languages? Explain. Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc. b) Dat
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
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