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OBJECTIVES
After going through this unit you should be capable to:
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
what is check point in database management system
Design Of Distributed Databases: The distributed databases are mainly relational at local level. So a local database schema is the similar as that of a centralised database design
Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and
Q. Explain the terms key constraints participation constraints and mapping caradinalities in ER model. Participation Constraints : The participation of an entity set E i
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
I want a good Microsoft Admin experienced in IIS and SQL Server. They require being able to set it up and administer from then onwards. Experience in Team Foundation Server a
Views A view is like a window by which data from tables can be changed or viewed. The table on which a view is based is known as Base table. The view is stored as a SELECT stat
give some example real-life situations where DBMS are most suiitabe
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
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