DELETE FROM [ ONLY ] table [ WHERE condition ]
DELETE �ϻ��ꤷ���ơ��֥뤫�� WHERE ����������Ԥ������ޤ���
condition (WHERE ��) ���ʤ���硢���ꤷ���ơ��֥�����ƤιԤ������뤳�Ȥˤʤ�ޤ������η�̤�¸�ߤ����ΤΡ���Ȥ����Υơ��֥�ˤʤ�ޤ���
Tip: PostgreSQL �γ�ĥ�Ǥ��� TRUNCATE �ϡ�����®�ˡ��ơ��֥뤫�����ƤιԤ������뵡�������ޤ���
�ǥե���Ȥǡ�DELETE �ϻ��ꤵ�줿�ơ��֥�ڤӤ��Υ��֥ơ��֥�Τ��٤ƤΥ��ץ�������ޤ������ꤵ�줿�ơ��֥�Τߤ�����������ONLY�����Ѥ��Ʋ�������
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�ơ��֥� films ���� musical �ʳ������ƺ������ˤϡ��ʲ��Τ褦�ˤ��ޤ���
DELETE FROM films WHERE kind <> 'Musical'; SELECT * FROM films; code | title | did | date_prod | kind | len -------+---------------------------+-----+------------+---------+------- UA501 | West Side Story | 105 | 1961-01-03 | Musical | 02:32 TC901 | The King and I | 109 | 1956-08-11 | Musical | 02:13 WD101 | Bed Knobs and Broomsticks | 111 | | Musical | 01:57 (3 rows)
�ޤ����ơ��֥� films ����ˤ���ˤϡ��ʲ��Τ褦�ˤ��ޤ���
DELETE FROM films; SELECT * FROM films; code | title | did | date_prod | kind | len ------+-------+-----+-----------+------+----- (0 rows)