The current development mainly uses mysql objects, pdo, and mysqli extension libraries to describe their respective advantages and disadvantages. Thank you very much! ------ Solution ------------------ mysql function Group is based on & nbsp; mysql4 & nbsp; written as mysqli function Group is based on & nbsp; mysql5 & nbsp, since & nb is used, mysql objects, pdo objects, and mysqli extension libraries are mainly used for development.
Let's talk about their respective advantages and disadvantages. Thank you very much!
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Mysql function Group is written based on mysql4
Mysqli function groups are written based on mysql5. because of the new features of mysql5, the performance is better than that of mysql function groups.
Pdo supports common databases. to change the database system, you only need to replace the dsn string. Easy system migration
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Mysql is using mysqli and pdo ....
So if you think your database will never change... then the preferred choice may be mysqli.