How to fix the Oracle error ORA-35587: (SQLOUT20) The nesting of table functions and SQL commands has exceeded the maximum of number levels.?

In this post, you’ll learn more about the Oracle ErrorORA-35587: (SQLOUT20) The nesting of table functions and SQL commands has exceeded the maximum of number levels. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-35587: (SQLOUT20) The nesting of table functions and SQL commands has exceeded the maximum of number levels.

Reason for the Error ORA-35587: (SQLOUT20) The nesting of table functions and SQL commands has exceeded the maximum of number levels.

The nesting of table functions with the PREDMLCMD token populated with an OLAP DML expression that use the embedded SQL support to access another table function which contains a table functions with the PREDMLCMD token filled in with an OLAP DML expression that uses the embedded SQL support.

How to fix the Error ORA-35587: (SQLOUT20) The nesting of table functions and SQL commands has exceeded the maximum of number levels. ?

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

Reduce the level of nesting between table functions and OLAP DML embedded SQL support.