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Tag: sql

Loop in SQL and increase one field each time

Create table for store raw data: Create table for processed data: Now store raw data: I am turning a comma separated string into individual rows: Like this: value 10 2 0 95 15 I want to insert into SplittedAndProcessedData table using a loop, like this: ID count 1 8500 2 8510 3 8512 4 8512 5 8607 6 8622 Which

How to perform query on two unrelated tables

I have a table A with Id and Geometry And Temporary table B Each Geometry of Temporary table B has intersecting geometry in Table A. I want to find the intersecting geometry and make a union of the geometry. The final table should be id of Table A which is having intersection and the union of geometry. If the…

How to count all rows in raw data file using Hive?

I am reading some raw input which looks something like this: Note the first two rows are “good” rows and the last two rows are “bad” rows since they are missing some data. Here is the snippet of my hive query which is reading this raw data into a readonly external table: I need to get …

select conditionally with conditional joins in mysql

I am trying to join two tables, people and sales, and displaying results based on a where condition which should be used to join the tables. My current attempt is showing only one result but I want all the rows in the people to be shown regardless of whether they have a record in the sales table, if they have

Remove zero amount in a query

I have a table finalData with the following columns and data I am creating mysql query to display the income and expenses of Singapore per Area, but I have to exclude areas that has zero amount. Here’s the code I tried: Output should be like this Any help would be appreciated. Thanks Answer This logic w…

SQL: Retrieve missing values from superset

I have a table like this: I want to return a table with all the ratings possible. In this case 1 to 5. So my resulting table will be: I have tried using something like: but this does not work. Can you please suggest a solution for this? Answer You can cross join the list of distinct devices with numbers