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A set of possible data values is called?
A set of possible data values is called as domain.
What is meant by data-transfer rate? The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
what is the relationship between receipt and owner entities in computer sales and service company
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are composite attributes? Composite attributes can be separated in to sub parts.
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Implementation and SQL Applications
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
Question: This question refers to the database schema. a) Express the following queries in SQL: (i) Write the SQL code that will create the table Company. Your answer sh
Define the Boyce-Codd Normal Form with instance and also Compare BCNF and 3NF. Ans: BCNF: For each functional dependency X->Y in a set F of functional dependencies over relati
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