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Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Define the concept of Object Diagram An object diagram shows a set of the objects and their relationships with each other at a point of time. In a static view, object diagram
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
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