I have a database of analytical laboratory data, one analyte per record (MS SQL Server Express 2014 (12.0.2000)). I have successfully (more or less) gotten results that I expect using a chemical’s …
Athena nested Struct Querying – how to query Value_counts in SQL
I have a big nested struct in AWS Athena. Here’s one column named “petowners” in the table: I’m looking for: The equivalent of the python function value_counts in the column. Meaning I’m looking for the SQL Athena command that will output for this row: [mammals:1, birds:2, Unknow…
Hive throwing ParseException while exporting a csv
Running this code, I am trying to export a csv but I get the following error: ParseException line 2:3 cannot recognize input near ‘MIN’ ‘(‘ ‘HIGH’ in expression specification Answer Try to add table alias (d) and use select d.* instead of select *:
Create a database in python where user inputs the data?
I would like the program to ask the user for information (i.e. age and name) and for this information to be put into the database. I have tried the following: The error that keeps appearing is: I have Python 3.7 and I work in spyder. Answer Try this, student_name is a string and should be enclosed in single q…
how to filter database data in sql server by per hour
if i have the data like the picture above, let’s say 1 day data per minute, and i want to filter it to be per hour, so i will have 24 data, because i take the data per hour. how to do that i have tried some queries, like this one using group by, but the result is not like
SQL – Divide One Query by Another
I am trying to create a query which returns the workout percentage completion… Workout Percentage Completion = ((Sum of LogEntries WHERE date = IN list of dates and WorkoutID =1 ) / (Sum of all set numbers WHERE WorkoutID = 1)) x 100 Below is what I currently have, at the moment it is only returning the…
SQL Database using JDBC + parameterize SQL Query + Databricks
In Databricks am reading SQL table as How can I parameterize SourceSystem and RuleCode in Where clause Was referring to: https://docs.microsoft.com/en-us/azure/databricks/data/data-sources/sql-databases Answer if you import the spark implicits, you can create references to columns with the dollar $ interpolat…
Pandas dataframe combine unique row values
I have a dataframe like the following with over 90000 rows. As you can see, some origin and destination values repeat for example there are multiple rows where origin=101011001, destination=101011002. My goal is to group the repeating origin and destination values and sum the the people column, so the datafra…
How to update specific column with values from another table
I have a table called “bug_table” that looks like this: and a table called “bug_revision_table” that looks like this: Now comes the question: How can I modify the timestamp of each id from the first table with the latest/most recent one from the second table? As you can see, each bug_i…
call value from another table when the value is not null
I want to get the value from table stage_cdl if it has value and from tale stage_vdl if it has value. Before this, I used this code (below) but I only receive the array until value 5 not include the table stage_vdl_id. The output: invoice_stud table stud_stage_cdl table stud_stage_vdl table license_cdl_module…