Automate aws athena queries Apr 1, 2025 · The Guidance demonstrates an automated workflow for users to easily query and identify requests from various Amazon Simple Storage Service (Amazon S3) related logs. Use parameterized queries in Athena to re-run the same query with different values and avoid SQL injection attacks. The following procedure summarizes these steps. Aug 1, 2017 · We have followed your lead and created a fully automated data pipeline for AWS Athena. I introduced them to Amazon Athena, a serverless, interactive query service that allows you to easily analyze data in […] This sample project demonstrates how to run Athena queries in succession and then in parallel, handle errors and then send an Amazon SNS notification based on whether the queries succeed or fail. If you want to keep the query history longer than 45 days, you can retrieve the query history and save it to a data store such as Amazon S3. Is there a way to automate the execution of the queries on a periodic basis? Athena examples using AWS CLI This document covers running SQL queries on Athena tables, managing named queries and workgroups, and retrieving query execution information and results. This guide explains how to achieve that with native AWS tools and zero-touch automation using DataSunrise, focusing on real-time auditing, dynamic data masking, and advanced For information about using SQL that is specific to Athena, see Considerations and limitations for SQL queries in Amazon Athena and Run SQL queries in Amazon Athena. csv file extension. By following these examples, you can effectively monitor and log AWS Athena queries for performance analysis and troubleshooting. Additionally, this architecture can be fully deployed using AWS CDK and is designed to fit into a larger serverless architecture. Trust me, these two … Writes query results from a SELECT statement to the specified data format. In this article we will discuss on what is aws athena, its archtiecture, benefits, limitations My Amazon Athena queries take a long time to run, and the query queue times are high. By deploying the provided AWS CloudFormation stack, users can set up the necessary infrastructure to automatically copy and process their Amazon S3 logs. Oct 17, 2024 · In this post, I’ll walk you through a strategy on how to automate AWS Glue table statistics collection using AWS Lambda to make your Athena queries faster and more efficient. Feb 10, 2019 · Hi @JohnRotenstein What iam trying to achieve is, how can invoke the query on athena using lambda automatically if we update the data in the same s3 buck which already mapped to the athena data base? Jun 27, 2024 · Automating AWS Cost and Usage Report with CloudFormation In this blog post, we'll explore how to set up AWS Cost and Usage Report (CUR) automatically using AWS CloudFormation. ProcessedBytes – The number of bytes that Athena scanned per DML query. 1) evidence generation, and daily log review to assist with your ongoing PCI DSS activities. json files from the crawler, Athena queries both groups of files. Native Amazon Athena Auditing Amazon Athena provides basic auditing capabilities through AWS CloudTrail, CloudWatch, and Athena Query History. Sep 15, 2022 · This article's goal is to explain how to query efficiently, and at low cost with AWS Athena, AWS CloudTrail logs, or VPC Flow logs by automating the creation of Athena partitions daily. Aug 15, 2025 · This post demonstrates how Amazon Athena CREATE TABLE AS SELECT (CTAS) simplifies the data transformation process through a practical example: migrating an existing Parquet dataset into Amazon S3 Tables. Use PARTITIONED BY to define the keys by which to partition data. Mar 24, 2025 · To use the AWS CLI to run queries with execution parameters, use the start-query-execution command and provide a parameterized query in the query-string argument. We will specifically be looking at AWS CloudTrail Logs stored centrally in Amazon Simple Storage Service (Amazon S3) (which is also a Well-Architected Security […] PostgreSQL supports native partitions. In this article, we will look at how to use the Amazon Boto3 library to query structured data stored in S3. If you have data in sources other than Amazon S3, you can use Athena Federated Query to query the data in place or build pipelines that extract data from multiple data sources and store them in Amazon S3. To keep your system secure The CData ODBC Driver for Amazon Athena enables you to integrate Amazon Athena data into workflows built using Microsoft Power Automate Desktop. AWS For additional information about using Athena workgroups to separate workloads, control user access, and manage query usage and costs, see the AWS Big Data Blog post Separate queries and managing costs using Amazon Athena workgroups. What is AWS Athena? AWS athena is a serverless query service tool provided by Amazon Web When working with nested arrays, you often need to expand nested array elements into a single array, or expand the array into multiple rows. CSV is the only output format supported by the Athena SELECT command, but you can use the UNLOAD command, which supports a variety of output formats, to enclose your SELECT query and rewrite its output to one of the formats that UNLOAD We would like to show you a description here but the site won’t allow us. Choose one of the following ways to schedule queries in Athena, based on your use case: Create an AWS Lambda function to schedule the query, and then create an Amazon EventBridge rule to schedule the Lambda function. You can export a maximum of 500 recent queries, or a filtered maximum of 500 queries using criteria that you enter in the search box. This includes creating an S3 bucket for storing your reports, configuring the CUR to export data in Parquet format, and setting up Athena and Glue for querying the data. One solution to that is to export your DynamoDB data to S3, and then set up AWS Athena to query Apr 21, 2025 · How to write multiple SQL statements like CREATE table in AWS Athena ( using CLI command – aws athena start-query-execution –query-string {value} )? AWS Athena has rapidly gained popularity as a powerful serverless solution for querying vast amounts of data stored in Amazon S3. Oct 2, 2020 · You can run an Athena query with AWS CLI using the aws athena start-query-execution API call. Oct 12, 2021 · Athena is serverless, so there is no infrastructure to manage, and you pay only for the queries that you run. . Amazon Athena, launched at AWS re:Invent 2016, made it easier to analyze data in Amazon S3 using standard SQL. Writing and executing queries using Athena query editor or APIs Note Athena query result files are data files that contain information that can be configured by individual users. Sep 12, 2018 · Choose Run it now. Athena examples using AWS CLI This document covers running SQL queries on Athena tables, managing named queries and workgroups, and retrieving query execution information and results. - guidance-for-automated-querying-of-amazon-s3-logs-with Jun 18, 2021 · NOTE: The complete code related to this article can be found on this Github repo. Jun 27, 2025 · This article delves into Amazon Athena with practical examples that span ad-hoc querying, data lake analysis, ETL integration with AWS Glue, and business intelligence reporting workflows. DPUCount – The maximum number of DPUs consumed by your query, published exactly once as the query completes. Partition projection automatically adds new partitions as new data is added. This guide will introduce you to Athena, explain its benefits, and walk you through an example. You can also integrate Athena with Amazon QuickSight for easy visualization of the data. Designed to simplify the querying process, Athena allows users to analyze data stored in Amazon S3 using standard SQL. Options You can streamline and automate the integration of your VPC flow logs with Athena by generating a CloudFormation template that creates the required AWS resources and predefined queries that you can run to obtain insights about the traffic flowing through your VPC. It's incredibly powerful! Amazon Athena Aug 10, 2020 · In this post, I will show you how to use AWS Lambda to automate PCI DSS (v3. Aug 28, 2024 · Using the above code examples, we can enable query logging, access CloudWatch Logs and Metrics, use the Athena Query History API, and automate the process using AWS Lambda and Amazon CloudWatch Events. The Athena PostgreSQL connector can retrieve data from these partitions in parallel. Because ALB access logs have a known structure whose partition scheme you can specify in advance, you can reduce query runtime and automate partition management by using the Athena partition projection feature. Jan 16, 2022 · AWS Athena is a serverless query platform that makes it easy to query and analyze data in Amazon S3 using standard SQL. Developers can use 'athena-express' to Athena does not recognize exclude patterns that you specify for an AWS Glue crawler. For more information, see Query flow logs using Amazon Athena in the Amazon Guidance for Automated Querying of Amazon S3 Logs with Amazon Athena This architecture diagram shows a serverless workflow to automate the querying of Amazon S3 log records. In the next sections, we will review a number of samples. Under the covers, it uses Presto, which is an opensource SQL engine developed by Facebook in 2012 to query their 300 Petabyte data warehouse. 2. Understanding AWS Athena Query Results Storage AWS Athena stores query results in Amazon S3 by default. But what if you want to automate these queries (e. This query returns a row for each element in the array. Serverless Deployment: Built on AWS SAM for easy deployment and scalability. This article introduces a transformative framework that employs serverless architecture to automate Athena query executions efficiently, cost-effectively, and with a keen focus on user needs. Eliminate manual work and get instant performance insights. By leveraging the power of Amazon Athena, you can efficiently 2 days ago · Amazon Athena is an interactive query service that lets you use standard SQL to analyze data directly in Amazon S3. On checking the records count in the reporting table after copying, you get an increased count. This article Amazon Athena is an interactive query service that makes it easy to analyze data directly in Amazon Simple Storage Service (Amazon S3) using standard SQL. These You can run SQL queries using Amazon Athena on data sources that are registered with the AWS Glue Data Catalog and data sources such as Hive metastores and Amazon DocumentDB instances that you connect to using the Athena Federated Query feature. Amazon Athena is an interactive query service that enables easy data analysis using standard SQL. You can use Athena SQL to query your data in-place in Amazon S3 using the AWS Glue Data Catalog, an external Hive metastore, or federated queries using a variety of prebuilt connectors to other data sources. Dec 14, 2022 · Here, we will be utilizing the Athena database and S3 buckets created as part of Connecting to the Athena Database using Python. Some programs that read and analyze this data can potentially interpret some of the data as commands (CSV injection). This architecture showcases how Amazon Athena SQL queries can be executed via AWS Lambda using the Boto3 API. Supported formats for UNLOAD include Apache Parquet, ORC, Apache Avro, and JSON. Automated Query Execution: Schedule Athena queries to run automatically without manual intervention. Jul 23, 2025 · AWS Athena is a powerful serverless query service provided by AWS for analyzing the data directly in Amazon S3 using standard SQL. Example 1: To run a query in a workgroup on the specified table in the specified database and data catalog The following start-query-execution example uses the AthenaAdmin workgroup to run a query on the cloudfront_logs table in the cflogsdatabase in the AwsDataCatalog data catalog. Jul 23, 2025 · AWS Athena is a powerful and useful tool that allows users to analyze data stored in Amazon S3 using SQL. With the AWS Command Line Interface (CLI), you can easily interact with Athena to run queries, create tables, and manage your data. By using the AWS Glue data catalog, you can create interactive queries and perform any data manipulations required for further downstream processing. You will then need to poll with aws athena get-query-execution until the query is finished. Dec 28, 2023 · However, traditionally, automating and managing these queries involves complex, resource-intensive workflows. Jul 9, 2024 · A quick tutorial on querying AWS Athena from a Spring Boot application. Aug 10, 2020 · In this post, I will show you how to use AWS Lambda to automate PCI DSS (v3. In this post, I show you how to Working with Amazon Athena allows you to effortlessly query and analyze data stored in Amazon S3 using standard SQL syntax, without the need for complex ETL processes or data movement. Sep 29, 2017 · This is easily automated by using the predefined structure in which Athena saves the query results on S3. This post explores how you can use Athena to create ETL pipelines and how you can orchestrate these pipelines using AWS Step Functions. The Guidance demonstrates an automated workflow for users to easily query and identify requests from various Amazon Simple Storage Service (Amazon S3) related logs. For more information, see the AWS Big Data Blog article Improve Amazon Athena query performance using AWS Glue Data Catalog partition indexes. When a query is executed, Athena automatically saves the results in a CSV format, and these files are accessible with a *. The team creates a Glue database to store metadata about the S3 datasets. Flexible Scheduling: Supports 'at', 'rate', and 'cron' expressions for versatile scheduling options. May 26, 2017 · Is there any support for running Athena queries on a schedule? We want to query some data daily, and dump a summarized CSV file, but it would be best if this happened on an automated schedule. The Athena PostgreSQL connector performs predicate pushdown to decrease the data scanned by the query. For an example of creating a database, creating a table, and running a SELECT query on the table in Athena, see Get started. Dec 4, 2024 · Getting Started With AWS Glue and Athena Hello All, If you work in Data Engineering, you might have heard of these two popular services from AWS: Amazon Glue and Amazon Athena. Oct 8, 2024 · Learn how to programmatically create AWS Athena views using Terraform to simplify query access and promote data reusability in your data lake. Nov 10, 2025 · Provides basic information, prerequisites, and instructions on how to connect to Amazon Athena Are you looking to build real-world experience using Amazon Athena, AWS Lambda, S3, and EventBridge to automate data analysis? You’ve come to the right place! In this step-by-step tutorial, I Nov 13, 2025 · This is where **AWS Athena** shines: it’s an interactive query service that lets you analyze data in S3 using standard SQL. Automate Amazon Athena queries with AWS Lambda and send results to Slack. Jul 20, 2022 · Learn how to efficiently query data from an Amazon Web Services S3 bucket using the familiar SQL syntax with AWS Athena! Feb 3, 2025 · Athena engine version 3 introduces performance, reliability enhancements, new features, and query syntax changes for improved data processing and analytics capabilities. For information about this approach, see Query flow logs using Amazon Athena in the Amazon VPC User Guide. Dec 14, 2018 · Top 10+ Amazon Athena Interactive Query Service Frequently Asked Questions We compiled a collection of questions that have come up with customers when discussing AWS Athena. Then, in the execution-parameters argument, provide the values for the execution parameters. Below, we explore both paths—starting with native tools, then moving to automated compliance with DataSunrise. For more information, see What is Amazon Athena in the Amazon Athena User Guide . This saves you from having to provision, manage, control access to, and clean up your own S3 buckets. Explore its architecture and features and how to query data in Amazon S3 using SQL. AWS Glue automates the data cataloging process by running crawlers and creating tables, streamlining the data integration workflow. g. Jun 3, 2025 · We’re thrilled to introduce managed query results, a new Athena feature that automatically stores, secures, and manages the lifecycle of query result data for you at no additional cost. Jul 18, 2019 · Amazon Athena is a serverless query engine for data on Amazon S3. The workflow uses Amazon Athena, a serverless query service, to enable users to run SQL queries against the log data and identify potential security or operational issues. ' This is a wrapper around the AWS SDK that can simplify executing SQL queries in Amazon Athena and fetch the JSON results in the same synchronous call—a capability well suited for many web applications. When working with Athena, you can employ a few best practices to reduce cost and improve performance. If you connect to Athena using the JDBC driver, use version 1. Dec 28, 2023 · In today’s dynamic big data environment, speed and efficiency in query execution are paramount. AWS Athena serves as a potent tool for sifting through vast datasets in Amazon S3 using standard SQL, with added capabilities for other data sources through federated queries. Architecture overview The following diagram illustrates our architecture. aws athena start-query-execution \ --query-string "select date, location, browser, uri, status from cloudfront Feb 8, 2021 · I was working with a customer who was just getting started using AWS, and they wanted to understand how to query their AWS service logs that were being delivered to Amazon Simple Storage Service (Amazon S3). However, traditionally, automating and managing these queries involves complex, resource-intensive workflows. IAMOPS integrates Athena with Slack for real-time, automated query results delivered directly to your team. These tools help monitor query execution, access patterns, and potential security incidents. Athena scales automatically—executing queries in parallel—so results are fast, even with large datasets and complex queries. Many customers use Athena to query application and service logs, schedule automated reports, and integrate with their applications, enabling new analytics-based capabilities. You can create your own queries using Athena. Executing a Query to Export Data To export data from AWS Athena, you need to execute an Athena query. To get started, create a new workgroup or edit an existing workgroup. In this post, we demonstrate how to get started with managed query results and, by removing the undifferentiated effort spent on query result management, how Athena helps you get insights from your data in With managed query results, you can run SQL queries without providing an Amazon S3 bucket for query result storage. You can use both AWS-native features and advanced tools like DataSunrise. Unlike traditional databases, Athena eliminates the need for infrastructure setup or server maintenance, making it an excellent choice for ad-hoc data When you run a parameterized query that has execution parameters (question marks) in the Athena console, you are prompted for the values in the order in which the question marks occur in the query. AWS Athena is a service that allows you to build databases on, and query data out of, data files stored on AWS S3 Jul 19, 2023 · Automation with AWS Glue: Leverage AWS Glue to automate the table creation process, allowing for streamlined management of metadata and partition information. Sep 23, 2020 · Amazon Athena is a fully managed interactive query service that enables you to analyze data stored in an Amazon S3-based data lake using standard SQL. Use Athena AWS CloudFormation templates to streamline and automate integration of your Cost and Usage Reports with Athena. This serverless, interactive query service provided by AWS empowers users to extract valuable insights from their data quickly and cost-effectively. You can point Athena at your data in Amazon S3 and run ad-hoc queries and get results in seconds. We will specifically be looking at AWS CloudTrail Logs stored centrally in Amazon Simple Storage Service (Amazon S3) (which is also a Well-Architected Security […] Aug 24, 2024 · Learn how to get started with AWS Athena in this hands-on guide. EngineExecutionTime – The number of milliseconds that the query took to run. The following example illustrates this technique. Aug 18, 2025 · B. May 19, 2021 · Recently, Athena added support for partition projection, a new functionality to speed up query processing of highly partitioned tables and automate partition management. Exported fields include the execution ID, query string contents, query start time, status, run time, amount of data scanned, query engine version used, and encryption method. State Machine Integration: Leverages AWS Step Functions for efficient query management and execution tracking. 0 of the driver or later with the Amazon Athena API. It facilitates features like high scalability, cost-effectiveness, easy-to-use platform for running complex queries without the need for extensive infrastructure setup. Here’s a script to automate that. Use the flatten function To flatten a nested array's elements into a single array of values, use the flatten function. Different types of users rely on Athena, including business analysts, data scientists, security, and operations engineers. With a few actions in the AWS Management Console, you can point Athena at your data stored in Amazon S3 and begin using standard SQL to run ad-hoc queries and get results in seconds. Prerequisites: List the prerequisites for readers, such as a Free tier AWS account, data in Amazon S3, and knowledge of SQL and … Nov 29, 2017 · aws athena start-query-execution --query-string "ALTER TABLE ADD PARTITION" Which adds a the newly created partition from your S3 location Athena leverages Hive for partitioning data. You can use structured query language (SQL) to generate lists of objects and export your results to CSV files for automation purposes. 1. For example, if you have an Amazon S3 bucket that contains both . In such scenarios, partition indexing can be beneficial. To automate this process, you can use Athena and Amazon S3 API actions and CLI commands. Select three dots in front of table name and select preview table. Just write a function that calls Athena’s API, passes your SQL, and handles the results. Handles all the database, table, parquet file conversion, loading and much more : The template also creates a set of predefined flow log queries that you can use to obtain insights about the traffic flowing through your VPC. , trigger them on a schedule, via an API, or in response to new data)? Aug 4, 2021 · Tools like AWS Glue and Amazon Athena are great ways to manipulate and derive insights from the Amazon S3 Inventory files. It is Feb 3, 2018 · Business wants these reports run nightly and have the output of the query emailed to them? My first step is to schedule the execution of the saved/named Athena queries so that I can collect the output of the query execution from the S3 buckets. In this article we will see how to create the table in aws athena. Feb 10, 2020 · 2 You can submit multiple requests simultaneously to Amazon Athena (eg via different threads in your application), but each Amazon Athena command can only execute a single SQL query/command. Jan 10, 2019 · Deloitte's Gary Arora, an APN Ambassador, will show you how to integrate an application with Amazon Athena to execute SQL queries with 'athena-express. Under data section for Data Source select AWS Data Catalog, for Database select vpcflowlogathenadatabase ( auto created because of cloudformation stack), for Table select table whose name start with fl. json files and you exclude the . Athena enables efficient querying of the data using standard SQL, and Lambda functions integrate with Athena to execute the SQL queries generated by the Amazon Bedrock Agent, facilitating real-time data processing. AWS Step Functions is a serverless function orchestrator that allows the sequencing of multiple AWS services. csv and . To create a table with partitions, you must define it during the CREATE TABLE statement. Now, we will discuss on how to schedule Athena queries using Amazon EventBridge, AWS Lambda, and Boto3 by AWS Python SDK. The workflow uses Amazon Athena, Jan 16, 2025 · Athena is a great way to do occasional ad hoc queries of data from a DynamoDB database, but setting it up involves several steps. AWS Glue helps SMBs manage metadata and automate schema discovery for datasets stored in Amazon S3, making Athena queries more efficient and scalable. Amazon Athena console – Create your tables and queries directly in the Athena console. With Athena, there’s no need for complex ETL jobs or infrastructure management, making it easy to analyze large datasets. Jan 21, 2025 · Understanding AWS Athena Amazon Athena is a serverless interactive query service that Amazon Web Services (AWS) provides. Jun 18, 2019 · Automate executing AWS Athena queries and moving the results around S3 with Airflow: a walk-through If you happen to store structured data on AWS S3, chances are you already use AWS Athena. One of the most important step to use athena is creating the table to organize the data and query it to get the desired results. Using AWS Lambda for query automation Lambda functions shine when automating Athena queries. Integrating AWS Step Functions with Amazon Athena allows for seamless Apr 1, 2025 · The Guidance demonstrates an automated workflow for users to easily query and identify requests from various Amazon Simple Storage Service (Amazon S3) related logs. 1. This will create the table definitions for your data in Amazon S3. In this project, Step Functions uses a state machine to run Athena queries synchronously. Drop in some Python, set triggers, and watch your queries run themselves whenever new data arrives in your DynamoDB tables. Introduction to Amazon Athena Amazon Athena is an Amazon Athena is a serverless interactive query service that allows you to analyze and query data in Amazon S3 using standard SQL. Jan 26, 2021 · Although Athena supports querying AWS Glue tables that have 10 million partitions, Athena cannot read more than 1 million partitions in a single scan. Organizations using Amazon Athena to perform serverless analytics on vast datasets must address one critical question: How to Automate Data Compliance for Amazon Athena effectively without sacrificing speed or flexibility. Under Query result configuration, select Athena managed. To succeed with Amazon Athena Data Governance, you need real-time audit, dynamic data masking, automated discovery, and strong security. The workflow uses Amazon Athena, a serverless query service, to enable users Learn about working with query results, query output files, and recent queries in Athena Jan 8, 2024 · Highlights AWS Step Functions and Amazon Athena provide powerful capabilities for report generation and scheduling. With Athena Federated Query, you can run SQL queries across data stored in relational, non-relational, object, and custom data sources. My Amazon Athena queries take a long time to run, and the query queue times are high. For this reason, when you import query results CSV data to a spreadsheet program, that program might warn you about security concerns. To avoid this, place the files that you want to exclude in a different location. Jan 14, 2024 · Querying Data from Athena to Lambda in AWS: A Comprehensive Guide. Oct 21, 2023 · Amazon Athena is a serverless, interactive query service that simplifies analysis of data in Amazon S3 using standard SQL. If you want to query very large datasets with uniform partition distribution, native partitioning is highly recommended. DynamoDB is a great database for various use cases, but it doesn’t lend itself to ad hoc queries the way an RDBM/SQL database does. Dec 10, 2024 · Query VPC flow log using Athena Open the Athena console and select query editor. Query Amazon S3 data using Athena Athena lets you query data in Amazon S3 using a standard SQL interface. gmuedbv ioclwel wfse prpj njvt isy otjjh zutu ikmfuj pngt aqhqhg njr hwthn dwu ttbhw