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Which database object does not physically exist?
A view database object does not physically exist.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Storage Of Database On Hard Disks At this point, it is worthwhile to note the difference among the terms file Organisation and the access method. A file organisation shows to t
what is 3nf
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
complete assignment on the above title.
Explain current page table and shadow page table. The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current pa
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
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
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