How to fix the Oracle error ORA-31526: could not find source table string.string for CDC change table string.string?

In this post, you’ll learn more about the Oracle ErrorORA-31526: could not find source table string.string for CDC change table string.string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31526: could not find source table string.string for CDC change table string.string

Reason for the Error ORA-31526: could not find source table string.string for CDC change table string.string

The source table was missing or was not set up correctly for an imported Change Data Capture change table. A synchronous change table requires the source table to exist and have the Change Data Capture trigger defined on it. An asynchronous change table requires table rules to be defined for the source table.

How to fix the Error ORA-31526: could not find source table string.string for CDC change table string.string ?

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

Drop the imported change table because it is invalid. Verify that the schema containing the source table was included in the original export. If needed, perform the export again, including the schema of the source table. If change table is asynchronous, ensure that STREAMS_CONFIGURATION=y is specified for the import.