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Line No. 153 and 166 added alias #5

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4 changes: 2 additions & 2 deletions src/hackerrank-aggregation.md
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Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ d happens to equal the maximum value in Western Longitude (LONG_W in STATION).
Query the [Manhattan Distance](https://xlinux.nist.gov/dads/HTML/manhattanDistance.html) between points P1 and P2 and round it to a scale of 4 decimal places.

SELECT ROUND(ABS(a - c) + ABS(b - d), 4) FROM (
SELECT MIN(lat_n) AS a, MIN(long_w) AS b, MAX(lat_n) AS c, MAX(long_w) AS d FROM station);
SELECT MIN(lat_n) AS a, MIN(long_w) AS b, MAX(lat_n) AS c, MAX(long_w) AS d FROM station) AS output_table;



Expand All @@ -163,5 +163,5 @@ Consider P1(a,c) and P2(b,d) to be two points on a 2D plane.
Query the [Euclidean Distance](https://en.wikipedia.org/wiki/Euclidean_distance) between points P1 and P2 and format your answer to display 4 decimal digits.

SELECT ROUND (SQRT((a - b) * (a - b) + (c - d) * (c - d)), 4) FROM (
SELECT MIN(lat_n) AS a, MAX(lat_n) AS b, MIN(long_w) AS c, MAX(long_w) AS d FROM station);
SELECT MIN(lat_n) AS a, MAX(lat_n) AS b, MIN(long_w) AS c, MAX(long_w) AS d FROM station) AS output_table;