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Explain Data Dictionary in short?
WHAT IS DATABASE TECHNOLOGIES
Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m
Define identify relationship? Identifying relationship: An identifying relationship means in which the child table cannot be uniquely recognize without the parent. For exampl
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
non numeric literals
Relational and E-R Model There are three types of constraints on relational database that have: DOMAIN CONSTRAINT PRIMARY KEY CONSTRAINT INTEGRITY CONSTRAINT
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
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