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UPDATE res2_product AS a LEFT JOIN (SELECT pro_id, IF( SUM( transaction_date > DATE_SUB( CURRENT_DATE, INTERVAL 8 DAY ) ), SUM( IF ( transaction_date 阅读全文
posted @ 2021-11-25 19:37
曹子健
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摘要:
非缓冲查询方法一: mysqli <?php $mysqli = new mysqli("localhost", "my_user", "my_password", "world"); $uresult = $mysqli->query("SELECT Name FROM City", MYSQLI 阅读全文
posted @ 2021-11-25 17:12
曹子健
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