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What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Determine the concept of Process Process: A process transforms the data values. It is represented as ellipse containing a description of transformation. Each procedure has a
Database Management Systems 1. Explain SQL Server 2000 Architecture with diagram. 2. Describe Second Normal and Third Normal Form. 3. Explain about query engine and stora
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
What is object containment? References among objects can be used to model dissimilar real-world concepts.
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
explain exhausitively the problems associated with er diagrams with ellustrations
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
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