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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.
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
Consider the following relational schema: Doctor(DName,Reg_no) Patient(Pname, Disease) Assigned_To (Pname,Dname) Give expression in both Tuple calculus and Domain calculus for
Convert the following ER - diagram (Entity Relationship Diagram) into a relational database (the primary keys are underlined): Ans: The relational database schema f
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Oracle Fusion Middleware: Key Skills: Consulting,Architect, Oracle Fusion Middleware,ECM, UCM, Stellent,Identity Management, SOA Suites, BPEL, ESB,OAM,OIM,J2ee, Java, Livelink
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
What is schema
Type of database technology
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
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