Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Differentiate between static hashing and dynamic hashing.
Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we require an overflow bucket to store any extra records that hash to the full bucket. This can be completed with a link to an overflow page, or a linked list of overflow pages. The linked list can be separate for every bucket, or similar for all buckets that overflow. While searching for a record, the original bucket is accessed first, after that the overflow buckets. Specified there are several keys that hash to the same bucket, locating a record may need accessing multiple pages on disk that greatly degrades performance.
The dilemma of lengthy searching of overflow buckets is solved by Dynamic Hashing. In Dynamic Hashing the size of the directory grows along with the number of collisions to accommodate new records and prevent long overflow page chains. Extendible and Linear Hashing are two dynamic hashing methods.
Question 1 Create a table student with attributes student name, roll number, total marks and percentage. Do the following operations Insert details in to the table Update
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
About Attribute inheritance
composite attribute
Describe the static hash file with buckets and chaining and show how insertion, deletion and modification of a record can be performed. In static hash file organization, the wo
Why older data models are being replaced by new data modelling 100 words accepted#
Differentiate strict two phase locking protocol and rigorous two phase locking protocol. In strict two phase locking protocol all exclusive mode locks taken by a transaction is
(a) Why did SAP introduce the extended star schema?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd