product` (`canonical_url` varchar(750) CHARACTER SET latin1PRIMARY KEY (`id`),如果canonical_url已经存在,我将使用on重复键功能来更新记录conn -> {
PreparedStatement ps = conn.prepareStatement(productSql, new
我想要做的是更新所有共享一个公共变量的行,将计数器加1。Bob 45 Glue Bob 12$query = "SELECT * FROM `Inventory` WHERE (rep='Bob')";
$result = mysql_query($query) or` SET onhand=($onhand+1) WHERE
INSERT INTO superstatistics_counter(nid, totalcount, daycount,timestamp) SELECT @row := @row + 1 as row, 100, 50, NOW() FROM
(select 0 union all select 1 union all select 2 union all select 3 union all selectall select 6 union all select 7 union all select 8 union all select 9) t,
我有一个问题,要求在每一行中增加+1。我在表中有一个具有order_status列sql表。如果我的订单状态像0 1 2 3,那么在这种情况下,创建的新记录将被存储+1,而较旧的记录将被存储+1。但是当用户向我发送第5条记录的订单状态2时,在这种情况下,5号记录将被存储为记录状态2,但我需要在如下所示的2之后更改状态
2 will be 3, 3 will be 4, 4 will be 5