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Whst is logical schema ?
Logical schema is the entire database.
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
define normalisation and functional dependency
State the data flow diagram of functional model Any action initiated by transition in the state diagram can be extended into an entire data flow diagram in functional model. Th
Boyce-Code Normal Form (BCNF) A relationship is said to be in BCNF if it is already in 3NF and the left hand side of each dependency is a candidate key. A relation who is in 3N
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
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