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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
I have to solve a problem using access
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
The Proliferation of Object-Oriented Methods The first few years of the 1990s saw blossoming of around fifty various object oriented methods. This proliferation is a sign of g
2NF Normal Form : A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2N
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
what is Storage-Device Hierarchy question
Preliminary entities and attributes of human resourse management database management system
What Command You Use What Day of the week were you born
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
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