codeigniter left join

This article illustrates the join usage of the CI Framework database query. Share to everyone for your reference, specific as follows: Use each ID in table A to query the information for this ID in the People table. Statement as follows:

This paper gives an example of the thinkphp database and the operation method of checking and deleting. Share to everyone for your reference, specific as follows: thinkphp to the database additions and deletions to the package operation, making the

This article analyzes the thinkphp transaction details query function. Share to everyone for your reference, specific as follows: Trading details Usually monthly, inclusive, transaction date, transaction amount, transaction status (optional)Total

Translation: http://net.tutsplus.com/tutorials/html-css-techniques/top-15-best-practices-for-writing-super-readable-code/ Jiang Yujie (reprinted please indicate the source-http://blog.csdn.net/hfahe) Twice in January, we review the favorite articles

In this paper, the thinkphp simple method of implementing multiple subqueries is described. Share to everyone for your reference, specific as follows: SQL statement Profound Understand the SQL statement, you can use a good thinkphp, such as

This paper illustrates the method of thinkphp fuzzy matching query with multiple fields. Share to everyone for your reference, specific as follows: Foreword: Sometimes the query matches more than one field. such as query address, the address is

Database operations are a major bottleneck in today's Web applications. Not only do DBAs (database administrators) need to worry about a variety of performance issues, but programmers are also trying to make accurate structured tables, optimize

Support for superscript prefixes1) The query is not equal to and has equal$this->db->get_where (' Host ', Array (' host ' = ' DDD ', ' id! = ' =>0))->row ();2) 2 Table intersection return $this->db ->select (' F.*,count (s.id) as

Zend, symfony, CakePHP A few years ago, one of the most common criticisms of PHP was that it did not support the MVC-style architecture. With the changing times, there are now many options available in the PHP framework field. This series will

Analyze the security of open-source components from the WTForm URLXSS0x00 open source components and Open Source Applications Open-source components are essential tools for development. The so-called "do not duplicate the wheel" is also because we