How to fix the error ORA-00166: remote/local nesting level is too deep?

In this post, you’ll learn more about the Oracle ErrorORA-00166: remote/local nesting level is too deep with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00166: remote/local nesting level is too deep

Reason for the Error ORA-00166: remote/local nesting level is too deep

Too many remote table operations required a reverse trip back to the local site, for example to execute a local function on a remote table.

How to fix the Error ORA-00166: remote/local nesting level is too deep ?

You can fix this error in Oracle by following the below steps

Rearrange the query or co-locate the functions with the tables.