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What are the objectives of query processing?
Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficient execution strategy expressed in a low level language and implement the strategy to retrieve the data.
Explain P command in the respect of QBE? P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is writ
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Advantages And Drawbacks Of Ddbms There are various reasons for building distributed database systems, with sharing of data, reliability and availability, and speedup of query
Explain the Relational Completeness Codd described the term relational completeness to consider to a language that is complete with respect to first-order predicate calculus ex
Types Of Indexes One of the words used during the file organisation is the term index. In this part, let us describe this term in more detail. We find the index of keywords
why shadow copy technique is used?
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#
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode
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