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Tag: sql

Hive Case Resulting Duplicate Row

I have a table containing contact numbers and another reference table containing a “length” variable and a number column. What I need is to find the prefix name where the prefix of the number matches …

Mysql: GROUP BY custom date interval

Situation : a table where every minute X energy device saves its consumption. I have to calculate the daily consumption (at hourly intervals, 00 – 01 – 02 – 03 – 04 ….. 23) of a single device on a …

SQL error when inserting a function variable

I try to use a value resulted from a 1st function as argument into a 2nd function, but SQL give me the error cannot be NULL Erreur de la base de donnĂ©es WordPress : [Column ‘option_price’ cannot be …