mysqlconnection


Any way to trace MySqlConnection to detect reasons for slow connection

眉间皱痕 提交于 2020-01-07 02:26:07
问题 I need to find some way in C# to trace the MySqlConnection.Open() methods connection to find out why it's taking over 15 seconds just to establish the connection. I.e to see some kind of connection log to find out whats holding it up. The code below is in an otherwise empty project and I've tried disabling the firewall and changing the port. Please help I've been trying to fix this for two days now and I'm almost admitting defeat. EDIT: Also the port is 3310 instead of the 3306 mySQL default

Access denied for user 'test123'@'192.168.0.38' (using password: NO)

梦想与她 提交于 2019-12-13 09:30:34
问题 I want to run this code on byethost31.com (free hosting site) so i am facing " Access denied for user 'test123'@'192.168.0.38' (using password: NO)" Error on console.. <?php $localhost="*************"; $pass="*************"; $usename="*************"; $dbname="*************"; $s=mysql_connect($localhost,$pass,$username); $t=mysql_select_db($dbname); if($s ){ echo "Mysql_connect is successful. <hr>"; } if($t ){ echo "Mysql_select_db is successful.. <hr>"; } ?> 回答1: If you check the

C# Emulator 'To Many Connections'

我是研究僧i 提交于 2019-12-13 06:28:48
问题 I have recently been receiving a mysql to many connectiions error, ive used sql queries such as the one below SET GLOBAL max_conmnections = 8000; and ive also higherd the mysql.pool.max to 8000 and when my emulator is in the debugger, it crashes on this void private static SqlDatabaseClient CreateClient(int Id) { MySqlConnection Connection = new MySqlConnection(GenerateConnectionString()); Connection.Open(); return new SqlDatabaseClient(Id, Connection); } the line thats highlighted that has

Connection pooling vs persist connection mysqli

孤人 提交于 2019-12-10 02:52:18
问题 I've read that mysqli introduced connection pooling that was not available in mysql. http://php.net/manual/en/mysqli.quickstart.connections.php I've read this question that explains the difference between connection pooling and persist connections. In the mysqli documentation for Persistent connection they have written that: If a unused persistent connection for a given combination of host, username, password, socket, port and default database can not be found in the connection pool, then

Connection pooling vs persist connection mysqli

心已入冬 提交于 2019-12-05 02:47:21
I've read that mysqli introduced connection pooling that was not available in mysql. http://php.net/manual/en/mysqli.quickstart.connections.php I've read this question that explains the difference between connection pooling and persist connections. In the mysqli documentation for Persistent connection they have written that: If a unused persistent connection for a given combination of host, username, password, socket, port and default database can not be found in the connection pool, then mysqli opens a new connection. So, does mysqli use connection pooling for persistent connections? If yes,

How to make mySQL database at my local accessible from different machines?

落花浮王杯 提交于 2019-12-04 02:05:57
问题 I have mySQL installed at my Windows system which I connect using mySQL Query Browser. I am giving training and I want people to be able to connect to my machines SQL Database How do I do that? Currently its not allowing the connections. What settings do I need to modify? 回答1: STEP 1: Check IP connectivity By default it only allows connections from 127.0.0.1. Are you using windows or linux? Open my.cnf and change bind address to your network IP. [mysqld] user = mysql pid-file = /var/run

Fatal error encountered during data read

穿精又带淫゛_ 提交于 2019-12-02 21:05:10
问题 I am doing a regular update table scan Using connect1 As New MySqlConnection(ConnectLocalhost.serverString) connect1.Open() Dim cmd = New MySqlCommand("set net_write_timeout=99999; set net_read_timeout=99999", connect1) ' // Setting tiimeout on mysqlServer cmd.ExecuteNonQuery() Dim BusinessReader = selectSomeQuery("Select * from tablebusiness limit 800,10000000", connect1) Do While BusinessReader.Read 'random exception here Sometimes I got this error MySql.Data.MySqlClient.MySqlException was

How to recover/Change MySQL Password

心已入冬 提交于 2019-12-02 17:03:59
问题 Yesterday Everything was working fine. Today when i start mysql its start giving me following error message ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) I don't know when and how it sets password. Now i am trying to set password, but its not updating it. I am using following steps to recover password. Stop Mysql Service Write this in cmd: C:\Program Files\MySQL\MySQL Server 5.5>mysqld.exe --defaults-file="my.ini" --init-file="d:\mysql-init.txt" --console

Communications link failure Last packet sent to the server was 1 ms ago.

落花浮王杯 提交于 2019-12-01 16:04:28
I tried to connect to mysql database but I failed and this error is shown Communications link failure Last packet sent to the server was 1 ms ago and this is my code ? anyone can help me please package android_programmers_guide.testconnection; import java.sql.Connection; import java.sql.DriverManager; import android.os.Bundle; import android.app.Activity; import android.graphics.Color; import android.view.Menu; import android.widget.EditText; public class TestConnection extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

Communications link failure Last packet sent to the server was 1 ms ago.

落爺英雄遲暮 提交于 2019-12-01 15:07:49
问题 I tried to connect to mysql database but I failed and this error is shown Communications link failure Last packet sent to the server was 1 ms ago and this is my code ? anyone can help me please package android_programmers_guide.testconnection; import java.sql.Connection; import java.sql.DriverManager; import android.os.Bundle; import android.app.Activity; import android.graphics.Color; import android.view.Menu; import android.widget.EditText; public class TestConnection extends Activity {

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