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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
Need 2 projects completed in 3NF format.
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
(a) Why did SAP introduce the extended star schema?
Explain Network Model in DBMS? Network Model - It was formalised within the late year of 1960s through the Database Task Group of the Conference on Data System Language (DBTG
Differance between Open addressing and chaining for collision resolution ? In open addressing , proceeding from the occupied position specified by hash address the program che
Describe disk manager and their work? Disk Manager: Responsible for fetching data regulated through file Manager from disk storage within Main memory and deciding what data to
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
Need a sample of a clinic database relationships
define anomalies and different types of anomalies with example
Advantages of Observation Methods: Bailey has pointed out four advantages of observation: 1. Superior in Data Collection on Non Verbal Behavior: When a person a opi
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