Questions tagged [amazon-athena]
The Amazon Athena tool is designed for executing SQL queries on data that is stored within the Amazon S3 platform. This feature is just one piece of the overall suite of services offered by Amazon Web Services (AWS).
Currently, I am trying to import JSON data from S3 into an Athena table. The structure of my JSON data is as follows; [{"a":"a_value", "b":"b_value", "my_data":{"c":"c_value", "d&q ...
I have a table with a single column that is of string type, but the content resembles a JSON structure. The data in the column looks like this: 'old_id' column with values: [{"name":"Entitas Penugasan","id":"6415","value":"HIJRA"}, {"name":"Function","i ...
I have a record in my Athena database that contains a JSON string as follows. {'is_referred': False, 'landing_page': '/account/register'} When attempting to extract the value of landing_page using the query below, it returns a null value. select json ...
Seeking guidance on querying specific data from AWS Athena using req.body parameters. When attempting to execute the query with req.body in postman, encountering the following error: Error: SYNTAX_ERROR: line 1:1: Incorrect number of parameters: expected 1 ...
Greetings! I am in search of a way to extract data from an array of arrays using Athena. create external table test ( customer string ) Location 'something-something' The contents of the single row in this table are as follows: select * from c ...
I created a Hive table with a single column that stores JSON data: CREATE EXTERNAL TABLE IF NOT EXISTS my.rawdata ( json string ) PARTITIONED BY (dt string) ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde' WITH SERDEPROPERTIES ( 'separat ...
I have established a successful connection to an AWS Athena table using pyodbc. I am able to retrieve the column names, but encountering an issue when trying to query the table as it seems to be non-existent. import pyodbc import pandas as pd cnxn = pyod ...