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Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many
How external/conceptual mapping and conceptual /internal mapping is performed
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit yo
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Project: Microsoft Access You have been asked by the ABC Tanning Salon to create a database that can be used to track the salon's customers. You are to create a table in Access
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
what is specialization?
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
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