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Explain trivial dependency?
Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
Explain the Strategy of Database Planning ?
Which model is record based logical model? Network Modelis basically known as record based logical model.
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
Create table employee and enter employee data in SQL? Consider the following relational schemas: EMPLOYEE (EMPLOYEE_NAME, STREET, CITY) WORKS (EMPLOYEE_NAME, COMPANYNAME, SAL
prototype of a distributed information system for a national car part retail outlet chain.
Text Processing: Use readLines to read SOU.txt into R. Create a vector called Pres containing the names of the presidents giving each speech. To do this, rst identify the lin
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#
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Which database object does not physically exist? A view database object does not physically exist.
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