The five most common PHP database problems programmers make and their explanations_PHP Tutorial

Revealing five common database issues that occur in PHP applications - including database schema design, database access and business using the database Logic codes - and their solutions. If only one way to use a database was correct... You can create database design, database access, and database-based PHP business logic code in many ways, but they usually end up wrong. This article explains five common problems that arise in database design and PHP code that access the database, and how to fix them when you encounter them.

Issue 1: Using MySQL directly
A common problem is that older PHP code uses the mysql_ function directly to access the database. Listing 1 shows how to access the database directly. 　

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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/630959.htmlTechArticleExposes five common database problems that occur in PHP applications - including database schema design, database access and use of databases Business logic codes - and their solutions...