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, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo
what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
how to implement mid square hashing?
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
Explain in details about Data Sharing
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
State your technical objectives for mining the data. Data Understanding. Describe the data For each attribute, give its description and data type. For numeric attributes
why data in an RDMS need to be normalised
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