Required Specifications - Parallel Transporter

As a consumer operator, which requires a SELECT statement as part of the APPLY statement:

APPLY
'DELETE FROM TABLE table_a WHERE col1 < :col1;'
TO OPERATOR (UPDATE_OPERATOR[1])
SELECT * FROM OPERATOR (READ_OPERATOR[1]);

As a standalone operator:

APPLY
'DELETE FROM TABLE table_a;'
TO OPERATOR (UPDATE_OPERATOR[1]);

The standalone operator must not contain a SELECT statement.