Question
In ETL pipelines, which step is primarily responsible
for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsistent formats)?Solution
Transform stage applies cleaning, normalization, validation, and enrichment before loading into target warehouse.
- Find the interval of x where the expression 21x - 3x² - 54 is greater than zero.
Anil and Ashish receive Rs.1500 for work of 6 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
The arithmetic mean of two values ‘a’ and ‘b’ is 16, and their geometric mean is 10√2. Find the positive difference between the numbers, given...
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The number 611611611611611611611 is
The ratio of two natural numbers 'u' and 'v' is 3:4, respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes...
The sum and product of two numbers are 18 and 72, respectively. If 'b' represents the sum of their reciprocals, then which of the following is true.
Evaluate 2.5 ÷ 0.0005.
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The sum of the average of two numbers and the third number gives 250, 238 and 222 respectively. Find the difference between the greatest and smallest nu...
