In the design workspace, select tMysqlInput
and click the Component tab to define its
- In the Property Type list, select Built-in to set the database connection details manually.
- In the DB Version list, select the version of MySQL you are using, MySQL 5 in this example.
- In the Host, Port, Database, Username and Password fields, enter the MySQL connection details and the user authentication data for the database, between double quotes.
- In the Table Name field, type the name of the table to be read, between double quotes.
In the Query field,
enter your database query between double quotes. In this example, the query is
select * from employeesto retrieve all of the information from the table
employees, in the
Click Guess schema to automatically retrieve
the schema from the database table or enter the schema manually by clicking the
[...] button next to Edit
Make sure that the schema of the tMysqlInput component matches the schema expected by the tDataprepRun component. In other words, the input schema must be the same as the dataset upon which the preparation was made in the first place.