Solving Google SQL interview question using CTE, Window Function, Subquery. Used PostgreSQL

Published: 01 January 1970
on channel: DataSci

#Data Analytics #dataanalytics #Dataanalysis #learn #postgresql #sqlinterviewquestions #postgres #cte #Windowfunctions #sql #learnsql
#Google interview #data #database #solving #datascience #datascienceinterviewquestions #datascientist #datasciencebasics

CREATE TABLE measurements
(
measurement_id Integer,
measurement_value Decimal,
measurement_time timestamp

)
select * from measurements
INSERT INTO measurements VALUES ('131233', '1109.51', '07-10-22 9:00');
INSERT INTO measurements VALUES ('135211', '1662.74', '07-10-22 11:00');
INSERT INTO measurements VALUES ('143562', '1124.5', '07-11-22 13:15');
INSERT INTO measurements VALUES ('346462', '1234.14', '07-11-22 15:00');
INSERT INTO measurements VALUES ('124245', '1252.62', '07-11-22 16:45');
INSERT INTO measurements VALUES ('523542', '1246.24', '07-10-22 14:30');
INSERT INTO measurements VALUES ('143251', '1246.56', '07-11-22 18:00');
INSERT INTO measurements VALUES ('141565', '1452.4', '07-12-22 8:00');
INSERT INTO measurements VALUES ('253622', '1244.3', '07-12-22 14:00');
INSERT INTO measurements VALUES ('353625', '1451.00', '07-12-22 15:00');

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