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Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency
what are the topics in data management
what is inverted and multilist structure
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
what factors might influence a company to outsource its IT infrascture.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
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