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Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
what is relationship inheritance and attribute inheritance
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
Data Manipulation Language Data manipulation language (DML) describes a set of commands that are used to query and change data within existing schema objects. In this case comm
ERD Diagram of Medical Recruitment Agency?
Create a new user : CREATE USER IDENTIFIED BY Example: //CREATE USER MCA12 IDENTIFIED BY W123 Grant: It is used to give database access permission to users. It is of
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
What is De-normalization? De-normalization is the method of attempting to optimize the performance of a database by adding redundant data. It is sometimes essential because cur
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
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