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Questions related from Chems Bezzaz
I have the function below which is supposed to calculate azimuth it has to do the same job as ST_Azimuth of PostGIS in Postgresql. (st_azimuth.png) When I execute the function in Java I get a...
05 May 2018 5,751 0 View
I have a function written in SQL and I would like to write it in Spark how should I proceed. Thanks. The function is like this: CREATE OR REPLACE FUNCTION grid( widthx double precision,...
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I am migrating from PostgreSQL to Hive and I have a few stored procedures that used to be in postgres. I would like to know if it is possible to write stored procedure in spark, and if it is not...
05 May 2018 9,024 1 View
I have a column in table which values are like this : 0102000020E610000005000000FFFFFF, their data type is BYTE however Hive doesn't seem to support a BYTE type. What should I do ?
05 May 2018 2,247 3 View
I have an algorithm which is running in a sequential way however, I don't get the desired performance especially when it comes to execution time and i would like to remodel it to make it suitable...
04 April 2018 8,730 3 View
In the relational databases the data sets are always in a pristine condition, making data that way take a lot of time and effort which make the task of handling a big volume of data hard. As an...
04 April 2018 8,892 1 View
In order to resolve a computing intensive problem I'm working with a lot of recursive function, whoever i don't get a good answer in a short amount of time and sometimes I do get stack overflowing...
04 April 2018 5,880 2 View
I would like to know if when talking about intensive computing it means that the data that we are working with is big ?
04 April 2018 1,882 3 View
How to do intersection between a point (x, y) and a table containing polygons (cells) to match the points to the cells in the context of Spatial Big Data ?
02 February 2018 526 3 View
