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What is meant by buffer blocks and disk buffer
The blocks residing temporarily in main memory are referred to as buffer blocks.
The area of memory where blocks reside temporarily is known as the disk buffer.
Change the city of First Bank Corporation to ‘New Delhi' UPDATE COMPANY SET CITY = ‘New Delhi' WHERE COMPANY_NAME = ‘First Bank Corporation';
Update Anomaly : This anomaly is occurred due to data redundancy. Redundant information makes updates more complex since, for example, varying the name of the instructor of MCS-014
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Aggregation Aggregation is stronger form of association. It represents the "has-a" or "part-of" relationship. An aggregation association depicts a complex object which is comp
Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
why older data models are being replaced by new data models.
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
example of embedded SQL query
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
difference between internal schema and external schema in DBMS
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