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What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
what is object-identity
write-set(T): Each data items that are written by a transaction T
Your friend owns and operates a wholesale shoe business with annual revenues of $5 million dollars. His wholesale business specializes in supplying and supporting retailers with sh
How to reduce data redundency
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
what are the main characteristics of database
1. Create a subroutine that does the remote blast on the file protein.fa. 2. Pass that returned files from the blast to another subroutine that parses the output and sends it to
Create an entity relationship diagram, Database Management System
What is the use of a slotted-page structure and what is the information are there in the header? The slotted-page structure is used for organizing records within a one block.
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