Redshift Copy Date Format, DATEDIFF returns the difference between the date parts of two date or time expressions.

Redshift Copy Date Format, Also, you Dates aren't stored in the database in the format you want to display? You can use the Redshift TO_CHAR() function to create a string-formatted extract in order Find the date part and time part names and abbreviations that are accepted as arguments for date and time functions in Amazon Redshift. For more information about boundaries and limitations on individual data types, see Data types. COPY loads large amounts of data much more efficiently The COPY command appends the new input data to any existing rows in the target table. Thus this compex usecase. You can unload the result of an Amazon Redshift query to your Amazon S3 data lake in Apache Parquet, an efficient open columnar Examples with datetime types Following, you can find examples for working with datetime types supported by Amazon Redshift. Load tables into Redshift from S3, EMR, DynamoDB, over SSH, and more! Includes example commands, how to use data sources – including the steps for setting up an SSH When i run the COPY commnad in RedShift, it gives an error of Invalid timestamp format or value [YYYY-MM-DD HH:MI:SS] , i have tried almost all time date format from RedShift but still stuck. parquet file with COPY command from S3 into my Redshift database. We need to pass two arguments with to_date May 3, 2026 Timestream › developerguide Date / time functions Supports UTC date/time functions: ISO 8601 conversion, interval literals, extraction, formatting, bin rounding. The format must be a literal value. Our SQL Server tables have the columns of 'datetime' (YYYY-MM When you alter encoding to AUTO, Amazon Redshift preserves the existing encoding type of the columns in the table. Is there a way to tell Redshift what is my threshold for the two digit date formats. Redshift Date functions Redshift’s date and time functions help the customers to transform or manipulate data that is stored I am trying to load a Redshift table from a . Date data types are used to store the date and time fraction values. One of the columns from my CSV table - "created_at" - is coming under the string format as the below: Is there anyway I can The COPY command is Redshift's fastest way to load data. この場合、上の対応に加えてRedshiftデフォルトの datestyle を一時的に変更する必要があります。デフォルトはISOのMDY、すなわちISO形式の For more information about using the COPY command to load tables, see Loading data in Amazon Redshift. Following are rules for working with date, time, and timestamp literals supported by Amazon Redshift. In Redshift create table command CREATE TABLE data ( DATES date, SHIPNODE_KEY varchar, DELIVERY_METHOD varchar, NODE_TYPE varchar, FULFILLMENT_TYPE varchar, In Redshift create table command CREATE TABLE data ( DATES date, SHIPNODE_KEY varchar, DELIVERY_METHOD varchar, NODE_TYPE varchar, FULFILLMENT_TYPE varchar, When I extract a timestamp column from SQL Server, it comes across like this: Thu Jan 26 2017 19:00:00 GMT-0500 (Eastern Standard Time) I need to get it into an acceptable Redshift format. When actually selecting from Below the video are great date functions on Amazon Redshift. The COPY command uses the DATEFORMAT and TIMEFORMAT options to parse date and time values in your source data. This is the type of Unfortunately, there is no way to fix this. The following examples demonstrate various column and table attributes in Amazon Redshift CREATE TABLE statements. It ensures accurate data handling, improves query performance, and supports time-based analysis. To convert your input text dates to bona fide Redshift dates, use TO_DATE with the appropriate date mask: 1 I am trying to load a . Amazon Redshift allocates the workload to the Amazon Redshift nodes and performs the load When loading from an Amazon DynamoDB table, order doesn't matter. When I created the table, three columns are set to have default values. For a list of valid day, month, and year formats, see Datetime format strings. Format of Date_Trunc in SQL (Redshift) Ask Question Asked 5 years, 5 months ago Modified 5 years, 5 months ago Date and time functions 1. In the dataset it is formatted as MM/DD/YYYY HH24:MI That is why Amazon Redshift Timestamps offers different data types to handle date and time in every format, like a date with timezone and only date In a nutshell, the trick is to use TO_DATE () to get the date converted append the time portion of the input text to the above CAST the resulting string to a TIMESTAMP For example here's Amazon Redshift stores DATE and TIMESTAMP data more efficiently than CHAR or VARCHAR, which results in better query performance. CSV) off this API that I built in Java. How to Load Data to and from Amazon Redshift In this article, we will explore different methods for importing and exporting CSV files to and from Describes how to use the Amazon Redshift COPY command to load tables from data in JSON format. One way is just to replace all This script writes the data in json format to S3 bucket and then this json is uploaded to an empty redshift table. Consequently, understanding redshift date format Find examples of working with datetime types supported by Amazon Redshift. The default delimiter is a pipe character ( | ). Your question is difficult to understand -- can you edit it and provide more information? How is the datetime field currently stored in MySQL? Does it have an associated timezone? Please 1. However, I experience data loading issues or errors in Amazon Redshift. string String to be converted. CONVERT performs a Importing a large amount of data into Redshift is easy using the COPY command. Syntax Arguments timestamp A I am trying to move some data from a CSV in S3 to a Redshift table. How your data is loaded can also affect query performance. e. com Date data type is one of the complicated type is database. The expected value on Redshift database in this case is Copy a datetime with the format rfc822 into redshift Ask Question Asked 10 years, 7 months ago Modified 6 years, 7 months ago Amazon Redshift uses the TO_CHAR command to transform raw date or timestamp data to format it as you want it presented. Learn how to choose, Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Wanting to upload historical test data to a redshift database and the data as we have it is in multiple csv's and is formatted in typical table format w Find the date part and time part names and abbreviations that are accepted as arguments for date and time functions in Amazon Redshift. After a closer look at the Learn how to duplicate a table in Amazon Redshift using simple SQL commands. I am copying a . Alternatively, you can specify that UNLOAD should Amazon Redshift now supports templates for the COPY command, allowing you to store and reuse frequently used COPY parameters. Redshift has a strict mode If you specify auto as the argument for the DATEFORMAT or TIMEFORMAT parameter, Amazon Redshift automatically recognizes and converts the date format or time format in your In the following sections, you can learn about different ways to use the COPY command to load JSON data into Amazon Redshift. Conclusion In summary, the strange behavior you're experiencing with the Redshift COPY command concerning timestamps is due to the expected parsing of AM and PM values in the time format. Then, if Amazon Redshift determines that a new encoding type can improve Amazon Redshift's COPY command loads data into a table from data files or from an Amazon DynamoDB table. So you are specifying the date twice in your format string - day of week and day of month. Follow this guide to easily create copies of your Redshift tables for backup or data manipulation. This new feature enables you to create reusable We're trying to migrate our DWH from current SQL Server 2016 to AWS Redshift by AWS SCT (Schema Conversion Tool). Use the DATE or TIMESTAMP data type, depending on the I'm trying to convert datetime column to ISO datetime format without any success. String DATEFORMAT dan TIMEFORMAT dapat berisi pemisah datetime (seperti '', ' - ', atau ' /: '), Another option is to use Redshift COPY command to load the data. I cannot change the how the source file is created. I googled a lot and the common "best practice" that I found was to cast the timestamp The Amazon Redshift JSON functions and the Amazon Redshift COPY command use the same methods to work with JSON-formatted data. The related field in the table in According to the Redshift documentation: If you attempt to insert a timestamp value into a DATE column, the time literal is truncated and the date itself is loaded. Explore Redshift's date functions: now (), sysdate (), current_date, and current_time. I am currently pulling data (. TO_CHAR - converts a time stamp or numeric expression to a character-string data format. Amazon Redshift extends the functionality of the COPY command to enable you to load data in several data formats from multiple data sources, control access to load data, manage data transformations, If you specify 'auto' as the argument for the DATEFORMAT or TIMEFORMAT parameter, Amazon Redshift will automatically recognize and convert the date format or time format in your source data. For example, to load from ORC or PARQUET files there is a limited The COPY command leverages the Amazon Redshift massively parallel processing (MPP) architecture to read and load data in parallel from files on Amazon S3, from a DynamoDB table, or from text The COPY command leverages the Amazon Redshift massively parallel processing (MPP) architecture to read and load data in parallel from files on Amazon S3, from a DynamoDB table, or from text The COPY command is able to read from multiple data files or multiple data streams simultaneously. CURRENT_DATE returns the start date for the current transaction, not for the start of 如果您指定 'auto' 作为 DATEFORMAT 或 TIMEFORMAT 参数的参数，Amazon Redshift 将自动识别并转换源数据中的日期格式或时间格式。下面是一个示例。 CURRENT_DATE returns a date in the current session time zone (UTC by default) in the default format: YYYY-MM-DD. I tried to use the COPY command to load a flat file. For each of these functions, the first argument is always the value to be formatted and the second Is there any way to format the epoch to timeformat 'YYYY-MM-DD HH:MI:SS' while doing redshift copy from s3 to redshift using COPY command Copy command unable to copy Date into Redshift Ask Question Asked 10 years, 2 months ago Modified 10 years, 2 months ago Describes the rules for working with datetime types supported by Amazon Redshift. "Invalid Date Format - length must be 10 or more" is caused by a column text with value "1/1/2019". The following example converts a timestamp to a value with the date and time in a format with the name of the month padded to nine characters, the name of the day of the week, and the day number of the Use of Redshift Spectrum. Date formats can be a complex topic, but it is important to understand the different options that By default, the COPY command expects the source data to be character-delimited UTF-8 text. The closest options you have are CSV [ QUOTE [AS] In conclusion, you can use Redshift COPY command to load CSV files into Amazon Redshift. It'd probably be OK to replace that with null. The COPY command matches attribute names in the items retrieved from the DynamoDB table to column names in the Amazon Redshift to_date function is used to converts the string type column or char value into date format. Amazon Redshift Copy command allows you How to add date to a file's name using UNLOAD in Redshift Ask Question Asked 4 years, 11 months ago Modified 3 years, 8 months ago I have a table in Amazon Redshift with a timestamptz column that contains timestamps with various timezone offsets. The COPY command loads data in parallel from Amazon S3, Amazon EMR, Amazon DynamoDB, or multiple data sources on remote hosts. Timestamp column value is '2000-00-00 00:00' and I mentioned as COPY SampleLoad from Find descriptions of the date and time scalar functions for SQL that Amazon Redshift supports. [1] It is built on top of technology from the massive parallel processing (MPP) I'm trying to copy a csv file from S3 into Reshift and I'm hitting this error: org. For more information about working with JSON, see COPY has many parameters that can be used in many situations. The file has a column that is of the type: {'name': 'timestamp', 'type': ['null', {'logicalType': 'timestamp-millis', 'type': I am trying to use the COPY command to move some data into redshift, however it does not like the format of the timestamp value. For more information, see the blog post . This section presents best practices for loading Amazon Redshift provisioned clusters Configure RA3 managed storage, DC2 compute nodes, CloudWatch disk alarms, reserved nodes, subnet groups optimizing provisioned clusters. The date of redshift by default outputs YYYY-MM-DD, we however want to return date, whose toString is How about defining a number of Spectrum tables over the parquet files, one for each different date format? You could then query from those Spectrum tables into a single Redshift table, The default timestamp format is YYYY-MM-DD hh:mm:ss, and the default date format is YYYY-MM-DD. To demonstrate this, we’ll import a publicly available dataset. For instance, you can convert a string to a date, or a numeric type to a string. For example values lower than 90 should be interpreted as 20XX. The following input dates are all valid examples of literal date values for the DATE data type that you can load into Amazon Redshift tables. This article will Specifies the AWS Region where the source data is located. For more information about CREATE TABLE, including parameter definitions, Epoch timestamp to 'yyyy-MM-dd HH:mm:ss. You will need to pre-process the file before loading it into Amazon Redshift. This guide provides clear examples of type casting syntax, allowing you to convert data between different I have a column with a default constraint in my Redshift table so that the current timestamp will be populated for it. Dates The following input dates are all valid The date format can include time information (hour, minutes, seconds), but this information is ignored. By following best practices for optimizing Commonly used Amazon Redshift Date Functions and Examples; Convert a String to Date format using TO_DATE () Function. Cast Date Column in the Redshift COPY Command Asked 5 years, 6 months ago Modified 5 years, 6 months ago Viewed 659 times Data type formatting functions provide an easy way to convert values from one data type to another. For a list of additional date and time functions for Amazon Redshift, see Date and time functions. The right delimiter is relevant to the I am trying to get a Redshift table from a flat file with multiple date formats which is causing nulls to be inserted. The only problem is that the datetime in my source file on s3 is the following: "2015-01 As an experienced Redshift developer, I often get questions about the CURRENT_DATE function – what it does, how to use it, and why it‘s valuable. BigQuery does not use the SQL COPY command to load data, but you can use To load a table from a set of unload files, simply reverse the process by using a COPY command. Use the `ALTER TABLE` command to add a new column with the correct data type and then use the `UPDATE` Learn how to convert BIGINT epoch timestamps into readable date formats like `year`, `month`, or `day` when inserting data into Amazon Redshift. Syntax Arguments datepart The specific part of the date or time value (year, month, or day, hour, minute, Learn how to use the COPY command, AWS Data Pipeline, Python boto3 library, and ETL tools to effortlessly ingest CSVs regardless of size, I am trying to figure out how to convert and format a BIGINT field (i. Interval data types and literals can be used in datetime calculations, such I have a datetime column in a redshift table. However, not all parameters are supported in each situation. These functions In the second case, we interpret it as a String. I want to resolve errors that occur when I copy data from Amazon Simple Storage Service (Amazon S3) into Amazon Redshift. For more information, see Date parts for date or timestamp functions. Existing Python UDFs will continue to function until June 30, 2026. DATEFORMAT and TIMEFORMAT are formatted strings that must If you have the ability to alter the S3 file's structure/format, you should explicitly wrap the dates in quotes, and save it as a tab-delimited text file instead of a CSV. Here we show how to load JSON data into Amazon Redshift. Learn how to perform date and time manipulations, find rows within specific date ranges, extract timestamp 2 Instead of using SUBSTRING, pass the entire date-time field to the TO_DATE function with the MM-DD-YYYY format which encapsulates all 3 formats above. ,"current_row_ind" CHAR (1) DEFAULT 'Y' First, review this introduction on how to stage the JSON data in S3 and instructions on how to get the Amazon IAM role that you need to copy the JSON file to a Redshift table. Download data files that use comma-separated value (CSV), character-delimited, and fixed width formats. ---This video TO_DATE - converts a date represented in a character string to a DATE data type. If A string literal that defines the format of the input string, in terms of its date parts. BigQuery does not use the SQL COPY command to load data, but you can use Amazon Redshift's COPY command loads data into a table from data files or from an Amazon DynamoDB table. The COPY command can load data from Amazon S3 for SQL : Redshift COPY command returns stl_load_error 1205 Invalid Date Format - length must be 10 or more To Access My Live Chat Page, more There isn't really a way to force Redshift to use backslash as the escape character. CREATE TABLE test_table( etl_date_time timestamp DEFAULT Conclusion Handling timestamps effectively in Amazon Redshift and AWS Athena is vital for accurate data analysis and reporting. The date column is giving me a hard time however. CURRENT_DATE returns a date in the current session time zone (UTC by default) in the default format: YYYY-MM-DD. Following, you can find a reference for numeric format strings. Discover how to perform type casting in Amazon Redshift, a versatile data warehousing service. A unique presigned URL is generated 从补丁 198 开始，Amazon Redshift 将不再支持创建新的 Python UDF。现有的 Python UDF 将继续正常运行至 2026 年 6 月 30 日。有关更多信息，请参阅博客文章。 COPY 命令使用 DATEFORMAT 和 Amazon Redshift stores DATE and TIMESTAMP data more efficiently than CHAR or VARCHAR, which results in better query performance. CAST performs a runtime conversion, which Amazon Redshift is a data warehouse product which forms part of the larger cloud-computing platform Amazon Web Services. The file contains a column with dates in format 2018-10-28. However, you can first witness a two-minute video that joins a Redshift table with Amazon Redshift supports only date (year month day) and timestamp (year month day hour minute second) format, and it doesn't support time (hour minute second) format of Postgresql. In this guide, we’ll go over the Redshift COPY command, how it can be used to import data into your Redshift database, its syntax, and a few troubles you may run into. For example, to load from ORC or PARQUET files there is a limited I am copying a file with few records from S3 it is failing to load timestamp column. I am trying to change the format of a timestamp field to a date field in a certain format with AWS Redshift. Date examples The following examples insert dates that have different formats and display the output. My dates are Choose the format that provides the best performance for your needs. It should also be able to treat json string as TIMESTAMP, and there I believe you may be able to specify to treat "" as NULL s. The redshift table describes the date columns as 'date' format. (I haven't tried using the native psql copy command with Redshift, and would The date format can include time information (hour, minutes, seconds), but this information is ignored. You have to convert your input data to the format that Redshift can handle. Is there some argument to the COPY For more information, see the blog post . Like the CAST function, the CONVERT function converts one data type to another compatible data type. 20200301) to a DATE type field using Redshift SQL. Date and time functions During this lesson, we'll delve into working with dates and times within Amazon Redshift. csv file in an S3 bucket. For more information, see DATEFORMAT and TIMEFORMAT strings. I need to format these timestamps into a specific ISO 8601 format. The only problem is that the datetime in my source file on s3 is the following: "2015-01 COPY コマンドは、DATEFORMAT オプションと TIMEFORMAT オプションを使用して、ソースデータの日付と時刻の値を解析します。 DATEFORMAT と TIMEFORMAT はフォーマットされた文 TO_TIMESTAMP converts a TIMESTAMP string to TIMESTAMPTZ. Amazon Redshift, a powerful data warehouse offered by Amazon Web Services (AWS), relies heavily on accurate data representation. Which is Redshift to use if they are in conflict? The reference you provided is general in nature, specifying Pretty basic newbie redshift question here. util. To learn more about the required S3 IP ranges, see Network isolation. I was successful in getting the snippet below to work but I believe that returns a . Following, you can find examples for working with datetime types supported by Amazon Redshift. SSS' format conversion while executing AWS Redshift COPY command Asked 7 years, 8 months ago Modified 7 years, 8 months ago Since Redshift is a Massively Parallel Processing database, you can load multiple files in a single COPY command and let the data store to distribute Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. In this example, Redshift parses the JSON data into individual columns. postgresql. You can use Redshift type conversion functions to change data type of column values while using it in queries. sisense. So, when I am querying based on time_zone like UTC+5:30/ UTC+4:30, I want to convert the table datetime column Loading very large datasets can take a long time and consume a lot of computing resources. Amazon Redshift Date If you specify 'auto' as the argument for the DATEFORMAT or TIMEFORMAT parameter, Amazon Redshift will automatically recognize and convert the date format or time format in your source data. An identifier literal or string of the specific part of the date value (for example, year, month, or day) that the function operates on. Learn how to query date and time in Redshift using SQL functions, operators, and built-in date/time types. I have a file that I am trying to load into redshift using the copy command. The default MDY DateStyle mode is assumed to In today’s data-driven world, the ability to efficiently transfer and analyze data is crucial for businesses. The following example creates a new table, LOADVENUE, and loads the table from the data files created Understanding Redshift date format is essential for data professionals. The CAST function converts one data type to another compatible data type. REGION is required for COPY from an Amazon S3 bucket or an DynamoDB table when the AWS resource that contains the data isn't in the As you can define only one date format in COPY clause, you really have only two options: have csv file with unified date format or load data as strings and convert later on as already suggested. For Introduction to Redshift Copy Redshift Copy facilitates the transfer of data from external sources into a Redshift database in a data warehouse, which The presigned URLs generated by Amazon Redshift are valid for 1 hour so that Amazon Redshift has enough time to load all the files from the Amazon S3 bucket. This article will provide a brief overview of the different date formats supported by Redshift, as well as some tips for choosing the right format for your needs. For Sets the display format for date and time values and also the rules for interpreting ambiguous date input values using datestyle. The COPY command leverages the Amazon Redshift massively parallel processing (MPP) architecture to read and load data in parallel from a file or multiple files in an Amazon S3 bucket. Changing from Dates to Epochs To change from date to epoch in Redshift you can use either extract or date_part. In this comprehensive guide, we‘ll Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Instead of specifying the same formatting parameters Redshift Unload command is a great tool that actually compliments the Redshift Copy command by performing exactly the opposite functionality. format The second argument is a format string that indicates how the character string should be parsed to create the numeric value. For more information, see Dates in Redshift (or any SQL database) do not really have any internal format. The following format strings apply to functions such as TO_NUMBER and TO_CHAR. COPY loads large amounts of data much more efficiently Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. When opened in a text Append the following at the end of your COPY command and it should work. Learn how to perform date and time manipulations, find rows within specific date ranges, extract timestamp Explore Redshift's date functions: now (), sysdate (), current_date, and current_time. Launch an Redshift doesn't have from_unixtime or date_add. Following is the list of source data type and target data type pairs that Amazon Redshift supports for TRY_CAST. ---Th Ever wanted to get up and running in a dynamic Amazon Redshift environment and need a quick path to get up and running? The Amazon Redshift COPY Command Guide takes you through: DATEFORMAT または TIMEFORMAT パラメータの引数として 'auto' を指定すると、Amazon Redshift ではソースデータの日付形式または時間形式を自動的に認識して変換します。例を以下に示します。 You can use an interval data type to store durations of time in units such as, seconds, minutes, hours, days, months, and years. csv file from S3 into Redshift and the Redshift COPY command returns stl_load_error 1205 Invalid Date Format - length must be 10 or more. How to alter column data type in Amazon Redshift database? I am not able to alter the column data type in Redshift; is there any way to modify the data If you are looking to efficiently load data into Amazon Redshift, the Copy command is an essential tool in your arsenal. If the file or column contains XML-formatted content or similar data, you need to make community. The DATEFORMAT parameter in the For example, consider a file or a column in an external table that you want to copy into an Amazon Redshift table. 戻り型 TO_DATE は、 format の値に応じて DATE を返します。フォーマットへの変換が失敗すると、エラーが返されます。例次の SQL ステートメントは、日付 02 Oct 2001 を日付データ型に変 You can use Redshift templates with COPY commands to simplify command syntax and ensure consistency across data loading operations. Use the DATE or TIMESTAMP data type, depending on the I have some datetimes that are 0000-00-00 00:00:00, and I want to copy them into Redshift. DATEDIFF returns the difference between the date parts of two date or time expressions. While both platforms offer powerful timestamp functions, A string literal that defines the format of the input string, in terms of its date parts. My insert command looks like below:- echo "COPY i have an issue while copying a csv file from s3 to redshift, i'm getting error with the format of a specific column This is the create table statement Untuk informasi selengkapnya tentang mengelola konversi data COPY, lihat Parameter konversi data. It contains date in UTC format. Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. The data format for the inserted values must match the data format specified by the Learn how to convert a `YYYYMM` string column to date format in Amazon Redshift, using simple queries to enhance your data's presentation and usability. Below is the example to use Redshift TO_DATE function to convert string Redshift can't convert a string to a date, tried multiple functions Ask Question Asked 6 years ago Modified 5 years, 9 months ago COPY from JSON Format The COPY command loads data into Redshift tables from JSON data files in an S3 bucket or on a remote host Amazon Redshift Documentation Amazon Redshift is designed to accelerate your time to insights with cloud data warehousing at scale. If the source data is in another format, use the following Please note that the recommended way to load data into Amazon Redshift is from files stored in Amazon S3. In RedShift, it is convenient to use unload/copy to move data to S3 and load back to redshift, but I feel it is hard to choose the delimiter each time. Learn about the standard SQL commands that Amazon Redshift uses to create database objects, run queries, load tables, and modify the data in tables. Analyze your data Federated Query: With the federated query Use the `COPY` command to copy the data to a new table with the correct data type. For information about the data format parameters that Amazon Redshift Learn how to import a CSV file into Amazon Redshift, a data warehousing service. The only suggestion on here that actually works on Redshift is a duplicate of one of the answers above (the fastest one). SSS' format conversion while executing AWS Redshift COPY command Asked 7 years, 8 months ago Modified 7 years, 8 months ago Epoch timestamp to 'yyyy-MM-dd HH:mm:ss. This guide explains the process, from creating a Redshift table to using the COPY command to load data from an Redshift date functions with syntax, definition and examples on the most frequently used 15 by developers. The closest options you have are CSV [ QUOTE [AS] I have a file that I am trying to load into redshift using the copy command. Learn how to effectively use the Amazon Redshift COPY command, explore its limitations, and find practical examples to optimize your data loading process. For example, Sets the display format for date and time values and also the rules for interpreting ambiguous date input values using datestyle. It reads files from S3 in parallel across all compute nodes, which is dramatically faster than row-by-row INSERT statements. One of the most powerful tools in this regard is the S3 Redshift Copy command. Image Source Step 2: For completing the process to load data from JSON to Redshift, Amazon Redshift splits the results of a select statement across a set of files, one or more files per node slice, to simplify parallel reloading of the data. The only correct result I managed to get is by doing this sql: I am trying to copy an avro file to redshift using the COPY command. format amazon-web-services amazon-s3 amazon-redshift I have the following redshift table: So far so good. The AS keyword is optional. When used with the 'auto' argument for DATEFORMAT and TIMEFORMAT, COPY recognizes and converts the date and time formats listed in the table in DATEFORMAT and TIMEFORMAT strings. [ [COPY command as you are using right now]] + DATEFORMAT 'DD/MM/YYYY' Not sure about the single TL;DR - When importing into Redshift from an S3 file force the imported data to have the default time format of 'YYYY-MM-DD HH:MI:SS' that Redshift expects in order to get a precision past COPY has many parameters that can be used in many situations. PSQLException: ERROR: duplicate month specification in date/time Redshift supports various type conversion functions. This file already has quotes escaped at source. You can take format amazon-web-services amazon-s3 amazon-redshift I have the following redshift table: So far so good. Create an Amazon S3 bucket and then upload the data files to the bucket. (It is possible You can specify the file format as JSON for your use case. q7xx, 6py8, jnhm, p0v, hsnpzcp, trqhi, lu3, st, mopwbg, 1q6q6b, 42q, mlhn, i8xc, vbs1, lvwkj, kzwkm, vfju, dwrvpu, prlds, acuv, j6pxoe, mlf, 0pcb, 7v, 35bv, tdj, cumg, g6, zxubsvk, 4ggz1,