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Which database level is closest to the users?
External database level is closest to the users.
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
what factors might influence a company to outsource its IT infrascture.
Given the following relations TRAIN (NAME, START, DEST) TICKET (PNRNO., START, DEST, FARE) PASSENGER (NAME, ADDRESS, PNRNO.) Write SQL expressions for the following queries: No
Design Of Distributed Databases: The distributed databases are mainly relational at local level. So a local database schema is the similar as that of a centralised database design
Construct a generalization-specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles that comprise an engine number and cost; cars that have a chass
complete er diagram of textile industry management
define locking in simple language and decribed it
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Sequences Sequences: Automatically produce unique numbers Are sharable Are typically used to make a primary key value Replace application code Speed up t
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