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What is called mirroring? The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
Probelm: (a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network" (i) Give a
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Whst is logical schema ? Logical schema is the entire database.
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co
real life situations where database management system are most suitable
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Define the following constraints for the table client. (i) BAL_DUE must be at least 1000. (ii) NAME is a unique key. (i)ALTER TABLE CLIENT ADD CONSTRAINT CLIENT_BAL_DUE_C1
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