MYSQLi error: User already has more than 'max_user_connections' active connections
96125
What is the best way to minimize number of connections?
128088
How do you refresh the MySQL configuration file without restarting?
7774
PHP MySQLi Multiple Inserts
33041
How can I diagnose/debug "maximum number of clients reached" X errors?
75465
How do I migrate my site from mysql to mysqli?
110725
Possible to make MySQL use more than one core?
115266
Warning: mysqli_query() expects parameter 1 to be mysqli, null given in
119597
How to use mysqli prepared statements?
59177
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead
103306
ERROR: Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\...\....php on line 19
116409
mysql_fetch_array() expects parameter 1 to be resource problem
67403
Zend Framework app not closing mysql connections properly
105066
How can I Cause a Deadlock in MySQL for Testing Purposes
39806
Correct MySQL username/password, but getting Access Denied error when run from script
55881
Warning: mysql_fetch_* expects parameter 1 to be resource, boolean given error
84855
MySQL: "lock wait timeout exceeded"
84727
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)