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What are the Overlapping elements
Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them with the deleted element. If number of the element is large, this algorithm grows linearly in number of elements.
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
SET concept is used in which type of modelling? SET concept is used in Network Model.
What are the advantages of relational data model? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
Benefits of Hashed file Organisation 1. Insertion or search on hash-key is quick. 2. Best if equality search is required on hash-key. Drawbacks of Hashed file
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
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
Which is the properties of entities? Attributes is the properties of entities.
Define Cascading rollback The phenomenon where a single transaction failure leads to a series of transaction rollbacks is known as Cascading rollback.
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