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What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
what is Nested relational model? Explain with examples.
An entity set that does not have sufficient attributes to form a primary key is called? An entity set that doesn't have sufficient attribute to form a primary key is known as w
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Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot
Determine the Other System Design Issue How to realise subsystems; through hardware or software? How is object model mapped on chosen hardware software? Mapping
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What Is Sql? Structured Query Language (SQL) is a standard query language. It is usually used with all relational databases for data manipulation and definition. All the re
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