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Event
Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as events. For example, tossing a coin is input, but appearance of either HEAD or TAIL is an event.
Draw an E_R Model for the following: An organization uses number of items of a equipment to generates goods. Each item is at one LOCATION, of one TYPE and has a DETAILED_DISCRI
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
Determine the term- Active values An active value is that has dependent values. Every dependent value registers itself with active value that contains a set of dependent values
What are the various symbols used to draw an E-R diagram (any 3)?
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
(a) Why did SAP introduce the extended star schema?
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;
How to reduce data redundency
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