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explain external view
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
Consider student (std_id, std_name, date_of_birth, phone, dept_name). Put the data for a student with student id200, name arun, birth date 1 February, 1985, phone number (01110 328
explain equi-join using illustration
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
basic structure of xml
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
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