drupal 7 database query

It's easy to build complex and dynamic content using Drupal. But a little careless, you will pay the price for this easy. Complex database queries and costly calculations can lead to page performance problems when users view certain complex and

One of the new functions provided by Drupal 7 is the ability to use the Query Builder and Query Objects Query Builder to construct Query Objects without the need to write original SQL statements in the code, one is to improve code readability, and

is not a very new loophole, the record of their own replication thinking vulnerability impact:Drupal 7.31Drupal is an open source content management platform that provides support for millions of of websites and applications. It is built, used and

Php: tree structure algorithm. Read the php: tree structure algorithm, which is reprinted from The Joy village. I have read this article before and told you quite clearly. In terms of product classification, multi-level tree structure forums, mail

Reproduced from the village of Joy, has read this article before, the story is still more clear.Product classification, multi-level tree structure of the Forum, mailing list and many other places we will encounter the problem: how to store the multi-

Common Database Operation instances in Drupal7 One of the new functions provided by Drupal 7 is the ability to use the Query Builder and Query Objects Query Builder to construct Query Objects without the need to write original SQL statements in the

One of the new functions provided by Drupal7 is the ability to use the QueryBuilderandQueryObjects Query Builder to construct query objects without writing original SQL statements in the Code. First, the code is improved. One of the new functions

So how do we add, update, and delete a node for such a structure? There are generally two ways to add a node: Retains the original name and parent structure, adds data to the data in the old way, and then uses the Rebuild_tree function to renumber

One of the new features that  drupal 7 provides is the ability to construct query objects using Query Builder and query Objects, eliminating the need to write the original SQL statements in code, and improving the readability of the Code, The

"Information Systems Programme planning"Version v2 2015-7-1Change record Date Modify People Version Change reasons Description 2015.07 Ayron 1.0 Startup 2015.07