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What is Natural Language Interfaces?
Natural Language Interfaces - These interfaces accept requests written within English or a few other language and attempt to "understand" them. A natural language interface commonly has its own "schema," that is same to the database conceptual schema, as well as a dictionary of significant words.
Which model is record based logical model? Network Modelis basically known as record based logical model.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
What are the parts of SQL language? The SQL language has various parts: data - definitition language Data manipulation language View definition Transaction contr
Eliminate Columns Not Dependent On Key The Employee Relation satisfies - First normal form - As it has no repeating groups. Second normal form - As it do not have multi-a
What is the role of a database administrator?
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
what characterizes the levels in RAID technology
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
Attributes having a one value for a particular entity. For instance, Age is a single valued attribute of a student entity. Attributes that have more than single values
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