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1. Á¬½Ó×Ö·û´®1
string connStr = String.Format("server={0};user id={1}; password={2}; database={3}; pooling=false;port=3306", "127.0.0.1", "test", "test", "test");
2. Á¬½Ó×Ö·û´®2
string connecStr=“Database='testdb';Data Source='localhost';User Id='db';Password='apple';charset='utf8'”
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MySqlConnection myConn = new MySqlConnection(connStr);
myConn.Open();
MySqlCommand cmd = myConn.CreateCommand();
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2009-10-24 00:23
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ps -ef | awk '{print $1}' | grep "mysql" | grep -v "grep" | wc-1
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# uptime
[root@ ~]# uptime
13:05:52 up 53 days, 52 min, 1 user, l ......
user±í:
id | name
———
1 | libk
2 | zyfon
3 | daodao
user_action±í:
user_id | action
—————
1 | jump
1 | kick
1 | jump
2 | run
4 | swim
sql:
select id, name, action from user as u
left join user_action a on u.id = a.user_id
result:
id | ......
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