How to load data from MySQL to Postgres destination

Learn how to use Airbyte to synchronize your MySQL data into Postgres destination within minutes.

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Set up a MySQL connector in Airbyte

Connect to or one of 400+ pre-built or 10,000+ custom connectors through simple account authentication.

Set up Postgres destination for your extracted MySQL data

Select where you want to import data from your source to. You can also choose other cloud data warehouses, databases, data lakes, vector databases, or any other supported Airbyte destinations.

Configure the MySQL to Postgres destination in Airbyte

This includes selecting the data you want to extract - streams and columns -, the sync frequency, where in the destination you want that data to be loaded.
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How to Sync to Manually

Step 1: Create PostgreSQL Schema

Before moving forward with the migration process, a clear understanding of the changes required to work with Postgres is needed. In this step, you must create a new schema in the PostgreSQL database and match the structure of the MySQL database, Since each database uses its own data types, storage formats, and SQL syntax, this step is very crucial. You can choose to do schema conversion manually by tweaking data types, as both databases have partially similar structures. However, you can also use libraries such as DBConvert to do this task for you.

Open the terminal and navigate to the directory where MySQL is installed. Type in the following command:

mysql -u username -p

Replace username with MySQL username.

Now, use the mysqldump command to export the MySQL database into a file. Type this command to perform this task:

mysqldump -u username -p your_database > mysql_data.sql

Replace username with MySQL username, your_database with the name of MySQL database, and mysql_data.sql with the file name in which you want to store exported data.

Note: You can also choose to export specific tables and objects from the MySQL database using the mysqldump command.

After you get the file, type in mysql exit and close the terminal.

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Open the terminal and go to the Postgres directory. Run the following code to access the database:

psql -U username -d your_database

From the above code, replace username with your Postgres username and your_database with the database name you want to access.

Now you are connected, you must import the data of the MySQL database to Postgres. Run the following code to achieve this task:

psql -U username -d your_database -f mysql_data.sql

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The above command will connect to a specific database (your_database) as a specified user (username) and execute the SQL commands contained in the mysql_data file while importing the data.

Note: The schema in your Postgres database should be compatible with data in mysql_data.sql file. Therefore, make sure Step 1 is carried out carefully.

That concludes it. If you have followed every step of the manual method, you can migrate data from MySQL to Postgres without difficulty.

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