Please help, how to input and update the fields according to the current user login with a different table name

Questions
1

Greetings

please help, how to input and update the fields according to the current user login
with a different table name
tabel user
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tabel m_mahasiswa

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image1423×763 22.6 KB

2

assuming data_mahasiswa is a reference to the current user you can modify the thing finding it with a search where data_mahasiswa is current user