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Explain the main advantages of DBMS over File Oriented System ?
Assigning Responsibility for Operation Many operations might have obvious target objects, but some of these operations could be used at numerous places in an algorithm, by one
Find out the names and company names of all employees sorted in ascending order of company name and descending order of employee names of by which company. SELECT EMPLOYEE_NAME,
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
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