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cleanup_node failed due to ORA-01427

ORA-01427: single-row subquery returns more than one row

October 21, 2020 by techgoeasy 1 Comment

The error ORA-01427 is raised, when a sub-query returns more than one row to an Equality or in-Equality operator. The reason being there are restrictions on the legal comparison operators.The single row subquery operator are Symbol Meaning = equal > greater than >= greater than or equal < less than <= less than or equal […]

Filed Under: Oracle, Oracle Database Tagged With: cleanup_node failed due to ORA-01427, ORA-01427: single-row subquery returns more than one row

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