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ERD, Database Management System
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Nested relational model, what is Nested relational model? Explain with exam...
what is Nested relational model? Explain with examples.
Explain trigger, Explain trigger? Trigger: A database trigger is proc...
Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
Example of database optimisation, Create 1 experiment to demonstrate an asp...
Create 1 experiment to demonstrate an aspect of query optimisation by using access-path structures (indexes), decomposition, or denormalisation. Once satisfied with your experiment
What are the various states of transaction process, What are the various st...
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
What is abstraction, What is abstraction? Abstraction in the object ori...
What is abstraction? Abstraction in the object orientation is a idea that provide opportunity to express necessary properties of object without providing much details of the im
Draw an e_r model in oracle, Draw an E_R Model for the following: An or...
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
State the object design for processing, State the Object Design for Process...
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Define the basic operations of the relational algebra, Define the basic ope...
Define the basic operations of the relational algebra? Ans: Basic operators of relational algebra are: 1. Union (∪) - Selects tuples which are in either P or Q or in bot
Determine bcnf-dcnf and key relation, (A) For the relation; CarSales (R...
(A) For the relation; CarSales (RegNo, BuyerName, Address, SalesPerson, Make, Model, Commission) The following functional dependences hold, RegNo _ID à Make, Model Reg
Describe the two alternatives for specifying structural, Describe the two a...
Describe the two alternatives for specifying structural constraints on relationship kinds? Relationship kinds have certain constraints in which limit the possible combination o
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