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How many types of users works on database?
Users are differentiated through the way they expect to interact along with the system
(i) Application programmers-interact with system through DML calls (ii) Sophisticated users-form requests within a database query language (iii) Specialized users-write specialized database applications that do not fit within the traditional data processing framework (iv) Naive users-invoke one of the permanent application programs which have been written previously instance, people accessing database over the web, clerical staff, bank tellers
Which method of access uses key transformation? A Hash method of access uses key transformation.
Question: The following relational database schema corresponds to a part of a database used by the Registry Department of a university. DEPARTMENT (d#, d-name, head-of-dept)
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Determine the Derived attribute to avoid re-computation Each class box consists of an ordered list of attributes and operations, each represented as a next string. We can find
How can Redundant Associations be done It can be done by asking questions: i) Is there a specific arrangement of network which would optimize critical aspects of completed
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
Question 1 Describe the following- Clustering Indexing Question 2 Explain the following with suitable real time examples- Implementation of Integrity rules
A database for the Service and Maintenance (SM) section of a Computer sales and service Company has to be developed. SM gives after sales service to customers. SM branch has a numb
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