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FDs in Entities:
Student entity:
Enrolment number → Student name, Address
Course Entity:
Course code → Course name
Instructor/ Teacher Entity:
Instructor → Office
A distributed transaction consists of subtransactions that execute at different sites and access local DBMSs at those sites. For example, a distributed transaction that transfers m
Preliminary entities and attributes of human resourse management database management system
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
Where does view definition stored? A view definition is permanently stored as part of the database.
Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
Explain P command in the respect of QBE? P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is writ
What is Hierarchical DBMS In HDBMS, data is structured in a tree like manner. There is a parent-child relationship between data items and the data model is very suitable for re
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
A field-groups statement or an insert statement reverses storage space and transfers values. False.
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