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What are the different approaches for database design?
There are two basic approaches for database design which are as follows:
Attribute driven: It compiles a list of attributes relevant to application, and normalizes the groups of attributes which preserve functional dependencies. Entity driven: It discovers entities which are meaningful to application, and describe them.
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
Define the term- Actors and Data Stores Actors: An actor is the active object which drives data flow graph by producing or consuming values. Actors are attached to inputs a
What is the use of RAID? A variety of disk-organization methods, collectively called redundant arrays of independent disks are used to better the performance and reliability.
(a) Why did SAP introduce the extended star schema?
Java program for horrizontal fragmentation in distributed database
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
#question benefits and limitations of data models..
What is the full form of DDL? DDL is stand for Data Definition Language.
Timestamps For Read operations: If TS (T) If TS (T) >= W-timestamp (Q), then the transaction T is trying to read a value of data item Q which has been written and committed
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
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