Learn about php fatal error class mysqli not found, we have the largest and most updated php fatal error class mysqli not found information on alibabacloud.com
PHP database connection MySQL and mysqli comparative analysis, mysqlmysqli
First, MySQL and the concept of mysqli related
1, MySQL and mysqli are PHP's function set , and MySQL database is not associated with much.
2, before the PHP5 version, is
Difference between mysql and mysqli
Mysql opens a connection process at each link, and mysqli runs mysqli multiple times to use the same connection process, thus reducing the server overhead.
When programming, some friends always use new mysqli
for a beginner PHP's own, the database connection has a lot of doubts, from Java to PHP. Database connection changed, previously only know JDBC Connection database, or directly with the framework call, for the PHP database connection method, and its
Mysql is a non-persistent connection function, while mysqli is a permanent connection function.
Mysql is a non-persistent connection function, while mysqli is a permanent connection function.
That is to say
Mysql opens a connection process at each
MySQL extension for PHP Advantages and DisadvantagesDesign and development allows an early extension of PHP applications to interact with the MySQL database. The MySQL extension provides a process-oriented interface;and is designed for MySQL4.1.3
That is to say
MySQL opens a connection process at each link, and mysqli runs mysqli multiple times to use the same connection process, thus reducing the server overhead.
When programming, some friends always use new mysqli ('localhost',
That is to sayMysql opens a connection process at each link, and mysqli runs mysqli multiple times to use the same connection process, thus reducing the server overhead.When programming, some friends always use new mysqli ('localhost', usenamer ',
I have never understood the difference between mysql and mysql when reading books or watching videos. So let's make a look at Google tonight. For more information, see.
I have never understood the difference between mysql and mysql when reading
Other words
MySQL each link will open a connected process and mysqli run mysqli multiple times will use the same connection process, thereby reducing the cost of the server
Some friends use the new mysqli (' localhost ', usenamer ', ' Password ', '
MySQL and the concept of mysqli related
1, MySQL and mysqli are PHP aspects of the set of functions , and the MySQL database is not associated.
2, in the PHP5 version, is generally used PHP MySQL function to drive the MySQL database, such as mysql_
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.