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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
Differentiate between B-tree and B + tree Ans: A B-tree (or Balanced Tree) is a search tree along with additional constraints that makes sure that the tree is all the time
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
What are advantages of object models? Object models are efficient for communicating with the application experts and reaching a consensus about the significant aspects of the p
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
sir, could anybody help me in getting complete information about the mentioned topic
multidimensional data model
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