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Using the mysql transaction feature to implement concurrent and secure auto-increment ID example bitsCN.com projects often use auto-increment IDs, such as uid. The simplest way is to directly use the AUTO_INCREMENT provided by the database, however, if the number of users is very large, tens of millions, hundreds of millions, and then needs to be stored in sub-tables, this solution is not fixed, so it is be

For a simple example of mysql's MERGE storage engine, a simple example of mysql's MERGE storage engine can be used to MERGE multiple tables with the same structure into one table. The following example is supported: mysql5.1: suppose there are several tables with the same st

A simple example of mysql's MERGE storage engine: bitsCN.com A simple example of mysql's MERGE storage engine Role: you can merge multiple tables with the same structure into one table. Supported versions: mysql5.1 Example: Assume that there are several tables with the s

, create a FEDERATED table for accessing the remote table on the local server: Create table federated_table ( Id int (20) not null auto_increment, Name varchar (32) not null default '', Other int (20) not null default '0 ', Primary key (id ), KEY name (name ), KEY other_key (other) ) ENGINE = federated connection = 'mysql: // remote_user @ remote_host: 9306/db_fe

smarty object are searched in the smarty manual. First, let's talk about the method. assign submits the data to the template. Methods without specifying template files have been merged into the output method. The output method has two display methods that directly output fetch and return the merged HTML code, for the output, we mainly use assign. Because the data we display is often diverse, it may be a volume, it may be an array or a multi-dimensional array, the correct submission to smarty is

different data formats. it has a set of fixed writing methods. we need to use this writing method to mark the template file, the default template tag used by smarty is a pair of {}. for example, the tag {$ a} is equivalent to echo $ a. In php, we need to assign a value, $ smarty-> assign ("a", "value"); if we assign values to multiple quantities, it is very troublesome to write them one by one. smarty considers this for us, for

Memcachedb and memcached engine cannot improve the query speed of the example search. Http://blog.s135.com/post/357/#entrymore Since no one at home and abroad has written how to install memcache_engineArticleSo I wrote this article according to my own compilation and installation steps. Memcache_engine is a storage engine for MySQL 5.1 databases. It allows

ADODB PHP Database Universal engine class features: 1. Can be in the PHP specification of various types of database links and use 2. Can help us to provide development efficiency in PHP and quickly convert various databases 3. Relatively simple to use 4. Writing requirements more rigorous, pay attention to the case 5. Rich built-in functions How to configure and use ADODB PHP1. Download ADODB for PHP Class Library compression package2. Unzip to any f