Course Elementary  50842

Course Introduction："SQL Development Manual" is the latest official SQL online manual. In this sql document, you will learn how to use sql to access, process system data and other sql knowledge. It is an important reference manual for sql learners!

Course Elementary  9300

Course Introduction：SQL (Structured Query Language) is used to manage relational database management systems (RDBMS). The scope of SQL includes data insertion, query, update and deletion, database schema creation and modification, and data access control.

Course Introduction：How to prevent sql injection attacks in php? Analysis of sql injection principles

2016-07-25 comment 0  1193

Course Introduction：PHP anti-sql injection class (php pdo prevents sql injection class)

2016-07-25 comment 0  1125

Course Introduction：Methods to prevent SQL injection in PHP: 1. Use the mysql_real_escape_string method to escape special characters in the string used in SQL statements; 2. Turn on magic_quotes_gpc to prevent SQL injection; 3. Prevent SQL injection through custom functions.

2020-11-02 comment 0  11977

Course Introduction：Understand SQL injection from scratch, what is SQL injection? SQL injection means that I am the only one who can operate the database. Originally, I just let you enter the content and leave, but you enter the command, thereby operating the database without my knowledge.

2018-07-26 comment 0  2800