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List out various user authorization to modify the database schema.
a) Index authorization
b) Resource authorization
c) Alteration authorization
d) Drop authorization
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
What is a query tree? Ans: A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu
Explain the cartesian product in Database Management System
define lock conversion
what do you understand by enhanced entity-relationship
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
What is schema
Need 2 projects completed in 3NF format.
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
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