Auto Export Mysql Table and Auto Upload

Introduction

Do you want to export tables from your MySQL database to a CSV format? Y'all have landed at just the right mail service. We give you an easy, stepwise guide for 5 different methods to do but that.
MySQL is the most popular open-source relational database. It stores data in the grade of tables.
Information technology is offered nether 2 different editions:

• The open up-source MySQL community server
• The proprietary Enterprise server

Still, the raw format of MySQL tables is supported past a limited number of applications. Therefore, it is often beneficial to catechumen MySQL information into CSV format.

In this article we will look into the following:

• Why CSV?
• Methods for MySQL Export to CSV
  • Using the command line
  • Using mysqldump
  • Using MySQL Workbench
  • Using phpMyAdmin
  • Using the CSV engine
• Conclusion

Pre-requisites

• Basic noesis of MySQL
• Using MySQL beat
• Using a terminal/command line
• Write permission for the intended output file
• Read permission for the input MySQL table
• Pre-configured phpMyAdmin account (optional)

Why CSV?

CSV is a standard format with several benefits.
Features of CSV are every bit follows:

• CSV stands for comma-separated value and is a widely accepted format.
• CSV files have the added advantage of being human being-readable.
• Being obviously-text, they can easily be imported into any application.
• Better at organizing large data.

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Methods of Exporting MySQL Table to CSV

You will learn the post-obit five methods to export your tables from MySQL to CSV:

• Using the command line
• Using mysqldump
• Using MySQL Workbench
• Using phpMyAdmin
• Using the CSV engine

one. Using Command Line

Information technology is extremely easy to use the command line to export a MySQL table to CSV. Yous do not need to download whatever additional software. We have written an in-depth article also on MySQL export database command line.

You will besides learn how to export to CSV using the command line under the following conditions:

• Exporting selected columns of a table
• Exporting tables with a timestamp
• Export with Column Headers
• Treatment Cipher Values

To consign to CSV, do every bit follows:

Step 1

• Navigate to the database which has the tabular array yous want to export using the following command:

          Use dbName        

Here, dbName must be replaced with the proper noun of your database.

• If your MySQL server has been started with –secure-file-priv option, you lot must use:

          SHOW VARIABLES LIKE "secure_file_priv"                  

This control will prove you the directory that has been configured. You can simply store your output file in this directory.

Step 2

• Select all the data from the table and specify the location of the output file.

          TABLE tableName  INTO OUTFILE 'path/outputFile.csv' FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED Past '"' ESCAPED Past '' LINES TERMINATED BY 'n';        

• Make certain to use the .csv extension for your output file.
• The ORDER clause can exist used to arrange the data co-ordinate to a item aspect.
• The LIMIT clause is used to restrict the number of rows to be copied into the output file.

a. Exporting Selected Columns of a Table

• To practise this y'all tin use the SELECT statement to specify the columns you want to export.
• You may additionally utilize the WHERE clause to use specific conditions and filter the results.

          SELECT columnName, …. FROM tableName WHERE columnName = 'value';        

b. Exporting Tables with a Timestamp

You may want to add a timestamp to the exported file, to do that you must utilise a MySQL prepared statement.

Use the following command to export to a CSV file, and add a timestamp for the time the file was created:

          Prepare @TS = DATE_FORMAT(Now(),'_%Y_%m_%d_%H_%i_%s'); SET @Folder = '/var/lib/sql-files/'; SET @PREFIX = 'employees'; Prepare @EXT    = '.csv'; SET @CMD = CONCAT("SELECT * FROM tableName INTO OUTFILE '",@Binder,@PREFIX,@TS,@EXT, "' FIELDS ENCLOSED By '" ' TERMINATED By ','  ESCAPED Past '"'", "LINES TERMINATED BY 'north';"); PREPARE statement FROM @CMD; EXECUTE statement;        

It is frequently convenient to add column headers to the output file to better identify and clarify the data. To exercise this, you must use the UNION statement.
Use the following command to add together cavalcade headers:

          (SELECT 'columnHeading', ...) Marriage (SELECT column, ... FROM tableName INTO OUTFILE 'path-to-file/outputFile.csv'' FIELDS ENCLOSED By '"'  TERMINATED Past ',' ESCAPED Past '"' LINES TERMINATED BY 'n')        

d. Handling NULL Values

If your results contain NULL values, they will announced as 'Northward' in the exported file instead of Zilch. This may lead to confusion and thus, you may want to replace this 'Northward' string with a string similar NA (not applicable) that makes more sense.
Employ the following command to do information technology:

          SELECT column, column, IFNULL(column, 'NA') FROM tableName INTO OUTFILE 'path-to-file/outputFile.csv' FIELDS ENCLOSED BY '"' TERMINATED Past ',' ESCAPED By '"'  LINES TERMINATED Past 'n');        

2. Using mysqldump

mysqldump is a utility tool provided by MySQL server that enables users to consign tables, databases, and entire servers. Moreover, it is too used for fill-in and recovery.
Here, we volition discuss how mysqldump tin be used to consign a MySQL tabular array to CSV.

• Use the following command in a command prompt/concluding:

          mysqldump -u [username] -p -t -T/path/to/directory [database] [tableName] --fields-terminated-by=,        

• The given control volition create a copy of the table specified by tableName at the location you define using the -T option.
• The proper name of the file will be the aforementioned every bit that of the table and will take a .txt extension.

3. Using MySQL Workbench

MySQL Workbench provides an Import/Export Wizard which allows you to export our database/ tables to a specified format using a graphical user interface. The wizard supports JSON and CSV formats.

To download MySQL Workbench, click here.

You can follow the given steps to export your MySQL table using MySQL Workbench:

Step one

• Use the left bar "schemas" tab to locate the table you desire to consign.

In this instance, nosotros will be exporting the employee's table in the classic model'south database.

Step 2

• Right-click using your mouse on the tabular array and select "Tabular array Information Consign Magician" to get the following screen.
• Select the columns you want to export.

Step iii

• Click on Next.
• Scan to the directory where you desire to salve the output file.
• Choose the CSV format choice.

Footstep 4

• Click on Side by side.
• Your data volition start exporting.
• You can track the process through the logs.

 4. Using phpMyAdmin

phpMyAdmin provides a graphical user interface to export your MySQL table in different formats. Apart from CSV, it supports other formats such every bit XML, JSON, YAML, and many others.

To download phpMyAdmin, click hither.

To employ phpMyAdmin to export information, follow these steps:

Step 1

• Log in to phpMyAdmin using a user that has required permissions.
• Navigate to the database which contains the source table every bit shown.

Stride two

• Choose the table from the database.
• Click on Export in the meridian bar.

Step iii

• Choose the CSV format from the format dropdown menu.

• Click on Get.
• Select the save file option when prompted.

5. Using CSV Engine

The CSV storage engine stores data in text files using comma-separated values format and is always compiled into the MySQL server.
It is important to notation that this method can only exist used if the table does non accept an alphabetize or an AUTO_INCREMENT constraint.

          ALTER Tabular array tableName ENGINE=CSV;        

This control changes the format of the database to CSV. It can and then directly be copied to another system hands.

Conclusion

You now have v methods to export your MySQL table to CSV in your arsenal. If you are comfy with writing queries using the command-line or mysqldump utility tool will prove to be the simplest way. However, if you are not confident with your querying skills, MySQL Workbench and phpMyAdmin will be your best bet. Extracting complex information from a diverse set of data sources such equally MySQL can exist a challenging task and this is where Hevo saves the day!

Hevo offers a faster fashion to move data from 100+ data sources such every bit SaaS applications or Databases such asMySQLinto your Data Warehouse to be visualized in a BI tool. Hevo is fully automated and hence does not crave yous to code.

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Accept you used any of these methods? Have any further queries? Reach out to u.s.a. in the comments section beneath.

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Source: https://hevodata.com/learn/mysql-export-to-csv/

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