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Change the city of First Bank Corporation to ‘New Delhi'
UPDATE COMPANYSET CITY = ‘New Delhi'WHERE COMPANY_NAME = ‘First Bank Corporation';
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
Winfield is a small city with a population of 22,000 with buses serves three routes in Winfield and neighboring areas. As the city’s IT director, you have been asked to set up an i
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
The entity type STUDENT has the following attributes: Student Name, Address, Phone, Age, Activity, and No of Years. Activity represents some campus-based student activity, and No o
Question : (a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS: (i) Entity Relationship Diagr
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Authorisation Authorisation is the culmination of the administrative policies of the organisation. As the name shows, authorisation is a set of rules that can be used to verif
define lock conversion
Java program for horrizontal fragmentation in distributed database
What is a cascading update? Referential integrity constraints needs that foreign key values in one table correspond to primary key values in another. If the value of the primar
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