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What is a hash index?
A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Give some encryption techniques? A) DES B) AES C) Public key encryption
Define hot swapping? Hot swapping permits the removal of faulty disks and changes it by new ones without turning power off. Hot swapping decreases the mean time to repair.
how to implement mid square hashing?
What is Gathering information and Producing ERD Gathering information: This could be a written document that explains the system in question with reasonable quantity of detai
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
data models are being replaced over years. Reasons and why does that happen?
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 is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
An instance of relational schema R (A, B, C) has distinct values of A including NULL values. then A is a candidate key or not? If relational schema R (A, B, C) has distinct val
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