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Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
What is the full form of DDL? DDL is stand for Data Definition Language.
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
We have a new website where I need someone to 1: Inhabit the back end with all the recruitment agencies in the UK. I require someone who is not manually going to do this, but who w
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
how to prepare a data dictionary for online examination system for certified courses?
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