<ol class="editor-list-ol" dir="ltr"><li value="1" class="editor-listitem">(SELECT first_name FROM actor) UNION (SELECT first_name FROM customer);</li><li value="2" class="editor-listitem">(SELECT first_name FROM actor) INTERSECT (SELECT first_name FROM customer);</li><li value="3" class="editor-listitem">(SELECT first_name FROM actor) EXCEPT (SELECT first_name FROM customer);</li><li value="4" class="editor-listitem">(SELECT first_name FROM actor) UNION ALL (SELECT first_name FROM customer);</li></ol>

SQL Ödev 11

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