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Explain the Management of Data Store
Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects in models need to be constant to store the state of object permanently in database. Most systems need constant data which is not lost when system closes down. These data are stored in file system in database. Object-oriented applications sometimes use relational databases to provide persistence.
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
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Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
List out various user authorization to modify the database schema. a) Index authorization b) Resource authorization c) Alteration authorization d) Drop authorizat
Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
Which two tools are used to administer users for Active Directory?
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
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