What is tracing level? How many types of transformations supported by sorted input?  ETL
ETL (extract, transform, and load) Testing Interview Questions
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14. What is tracing level? How many types of transformations supported by sorted input?  ETL
 The amount of data stored in the log files is called tracing level
 The tracing levels are NORMAL., VERBOSE
 NORMAL explains the tracing levels in a detailed manner
 VERBOSE explains the tracing levels at each and every row
How many types of transformations supported by sorted input?
 Aggregator, Joiner and Lookup Transformations are supported by sorted input.
 By implementation of these transformations the session performance will increase.
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