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Which is another name for weak entity?
Child is another name of weak entity.
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
I need a help with my assignment of data envelopment analysis which is due for submission next week on monday the 10th Dec. Will you be able to help so that I can submit it on tim
All edges of a cube are expanding at a rate of 6 centimeters per second. How fast is the surface area changing when each edge is (a) 2 centimeters and (b) 10 centimeters?
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
What is meant by data-transfer rate? The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
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