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Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.
Normalize the following table upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the t
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. This database stores records from a (ve
Whst is logical schema ? Logical schema is the entire database.
These are the binary operations; i.e., each is applied to two relations or sets. These two relations can be union compatible excluding in case of Cartesian product. Two relations R
need to get answer for questions 3&4 on this page in part 1
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
What type of view of total database content? Data base content Conceptual view of total database contain.
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
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