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What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
basic structure of xml
Create student database and retrieve course name taught by king? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (secti
SET concept is used in which type of modelling? SET concept is used in Network Model.
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What is an ER diagram? Why is it used in Database management system (DBMS)?
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
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