How to fix the Oracle error PLS-01419: Subquery must have either ‘*’ or exactly one column in its select list?

In this post, you’ll learn more about the Oracle ErrorPLS-01419: Subquery must have either ‘*’ or exactly one column in its select list with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-01419: Subquery must have either ‘*’ or exactly one column in its select list

Reason for the Error PLS-01419: Subquery must have either ‘*’ or exactly one column in its select list

Subquery must have either ‘*’ or exactly one column in its select list according to ANSI’s grammar.

How to fix the Error PLS-01419: Subquery must have either ‘*’ or exactly one column in its select list ?

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

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