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Dentrification is the Sequential reduction of nitrate to N2 through denitrifying bacteria (Pseudomonas, Bacillus) under anaerobic conditions (waterlogged soils) It is controlled by soil moisture, redox potential, temperature, pH and substrate concentration (NO3, NO2, NO, N2O) Nitrite → Nitric Oxide → Nitrous oxide → Nitrogen
Which data mining technique is used to find patterns or associations in big datasets, such as market basket analysis?
In tuple calculus, what does the ∃ symbol represent?
What does below UNIX command do?
rm file1 file2
In relational algebra, which operation is used to combine two relations and eliminate duplicate rows?
B-trees and B+ trees are designed to maintain balance by adjusting the:
Which application layer protocol is commonly used for transferring web pages over the internet?
Which part of the RDBMS architecture is responsible for maintaining a physical copy of the database on disk?
Which IPC mechanism provides synchronization capabilities to prevent race conditions between processes?
Which notation is used to represent a weak entity in an ER diagram?
Define Mapping Process?
