I am using join query in CodeIgniter and can't get it to work. It only displays one table data, but not the other. I am new to CodeIgniter and can't figure this out. Pleas someone help me. Tnanks in advance.view<?php foreach ($query as $row): ?> <?php echo $row->answerA;...
CodeIgniter Forums General Lounge Left outside Join in Code Igniter Left outside Join in Code IgniterleusiamJunior MemberPosts: 17 Threads: 12 Joined: Oct 2022 Reputation: 0 #1 01-23-2023, 05:55 AM So here's the question: I'm not sure how to write on code igniter; I read an ...
2 Need help on using MySQL join in codeigniter 0 Joining two or more tables in CodeIgniter 0 MySQL JOIN tables in Codeigniter 0 How to write join query in codeigniter 1 Codeigniter JOIN multiple tables 0 Join Tables in codeigniter 0 How to use Join | codeigniter | sql | 0 how...
使用like可能查到我们不想要的记录，它比like更精准，这时候mysql的FIND_IN_SET函数就派上用场了，...
I'm using CodeIgniter 3, and I can't find a way of doing something. As I don't know where should I post this, I decided to create a new Thread here, in General Discusion. I am creating an application to manage soccer matches and competitions. ...
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在SQL查询中,not子查询是指在where或having子句中使用not in、not exists等关键字进行条件判断的子查询。 将not子查询转换为join可以提高查询的效率,特别是在处理大数据量的情况下。这是因为join操作通常比not子查询更高效。 转换的方法是将not子查询中的条件和主查询中的表进行连接操作,以实现相同的查询结果。具体...
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我使用的是MySql 7.5的Codeigniter。我有一个查询,当left join表为空时,它总是返回空。$this->db->select('shop.id as shop_id, shop.shop_name, rg.rating'); $this->db->from('shop');$this->db->join('booking as bh', 浏览0提问于2016-08-02得票数 0 ...