How can I achieve multi-table deletion in Oracle with table relationships?

2 years ago
Ava Mitchell
1 minute

In Oracle, you can use the DELETE statement to perform a multi-table delete operation. Here is an example:

DELETE FROM table1 t1
WHERE EXISTS (
    SELECT 1
    FROM table2 t2
    WHERE t1.column1 = t2.column1
)
AND EXISTS (
    SELECT 1
    FROM table3 t3
    WHERE t1.column2 = t3.column2
);

In the above example, the DELETE statement was used to remove records from table1 that meet certain conditions, while also deleting related records from table2 and table3 based on the associated conditions.

Please modify the table names, column names, and relationship conditions in the above example according to your actual situation to fit your specific needs.

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