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Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
Why DML is used for? DML is used to Manipulation and processing of database. DML is provided for manipulation & processing of database. (Data stored in the database is processed
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
Explain three main attributes of data.
prototype of a distributed information system for a national car part retail outlet chain.
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
a set of possible data value of an attribute is called??
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
example of bank
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