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is Chipo carrying his baby
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
Describe the four main ways of optimising disk block access. Ans: a. Disk b. Non-volatile writes buffers c. File organization (Clustering) d. Log-based file system
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
Explain TPS concurreny executions stating their advantages in online business advancement
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