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What is horizontal fragmentation?
Horizontal fragmentation divides the relation by assuming every tuple of r to one or more fragments
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
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
what factors might influence a company to outsource its IT infrascture.
multiplicity constarin
E-R Model This data model is based on real world that consists of basic objects named entities and of relationship among these objects. Entities are illustrated in a database
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
what should be included in this???
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
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