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Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Construct an ER diagram for a hospital along with a set of patients and a set of medical doctors Associate with every patient a log of the several tests and examinations conducted.
what do you understand by enhanced entity-relationship
Express the ways provided by MySQL for Pattern Matching? MySQL provides two kinds of pattern matching. 1) One is based on SQL patterns 2) Regular expressions.
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
find the name of supplier who supply some red part
what are the states of transaction?
write short note on mobile database
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
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