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Update docs/en/sql-reference/table-functions/executable.md
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# executable Table Function for UDFs
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The `executable` table function creates a table based on the output of a user-defined function (UDF) that you define in a script that outputs rows to **stdout**. The executable script is stored in the `users_scripts` directory and can read data from any source. Make sure the clickhouse server meets the requirement to run the executable script. e.g. If it's a python script, make sure the server has installed python packages to run the script.
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The `executable` table function creates a table based on the output of a user-defined function (UDF) that you define in a script that outputs rows to **stdout**. The executable script is stored in the `users_scripts` directory and can read data from any source. Make sure your ClickHouse server has all the required packages to run the executable script. For example, if it's a Python script, ensure that the server has the necessary Python packages installed.
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You can optionally include one or more input queries that stream their results to **stdin** for the script to read.
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