How to fix the Oracle error PLS-00499: coercion into collection of records not supported?

In this post, you’ll learn more about the Oracle ErrorPLS-00499: coercion into collection of records not supported with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00499: coercion into collection of records not supported

Reason for the Error PLS-00499: coercion into collection of records not supported

A SELECT or FETCH may specify a column list to be coerced into a variable which is a collection of records. This is type checked as correct, but not yet supported because of the implicit layout change required.

How to fix the Error PLS-00499: coercion into collection of records not supported ?

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

Express the SELECT with an object constructor around the columns and use a collection of objects as an INTO variable. Or, build the collection one row at a time coercing each row into a record which happens to be an element. Or, use a record of collections.