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write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
explain cascading rollback
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
define normalisation and functional dependency
explain participation constraints with examples
Please explain Lock-Based protocols, I need assignment help in lock based protocol questions, would you help in solving db based assignments? Please suggest
would i get instant help from expert? Please suggest, The topic is Lock-Based protocols
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