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In E-R Diagram how relationship type is represented ?
In E-R Diagram relationship type is represented as a Diamond.
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
explain participation constraints with examples
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Which sorting technique is used to sort databases, whose sizes are very big? Give one such algorithm. Why do sorting techniques like quicksort, insertion sort, etc. not applied
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
Develop C# schoolproject ASAP Helping me with schoolproject. The project is prepared in C# and haves a database connection. We have some small issues asking up data from t
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent
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