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What are the Issues when Selecting a Database
Issues when Selecting a Database
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
In this exercise you will create ten records, each containing the following fields: student name, class: Freshman, Sophomore, Junior or Senior, Major: Liberal Arts or General Sci
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
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
Design a gennalization and specialization hierarchy for an automobile sales company
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar
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