Course Intermediate 10914
Course Introduction:"Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
Course Advanced 16847
Course Introduction:"Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.
Course Advanced 10562
Course Introduction:"Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.
$conn reported an error as undefined
2019-02-19 14:35:22 0 5 1071
If mysqli_query is encapsulated, is there any way to use mysqli_insert_id?
2018-10-14 07:38:59 0 1 1200
Course Introduction:CONN is a connection object in Oracle, used to establish and manage connections with the database. It provides a set of methods and properties that enable applications to access and operate the database. Its usage includes: Create CONN object Open connection Execute query or operation Close connection
2024-05-02 comment 0 418
Course Introduction:conn represents database connection in PHP and is used to establish a connection with the database server. It can be used to perform database operations such as querying, inserting, updating, and deleting data. Get the conn variable through the mysqli_connect() or PDO() function, passing in the host name, user name, password and database name. This variable can be used to perform database operations later, and the connection needs to be closed at the end to avoid memory leaks.
2024-04-27 comment 0 505