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CREATE TABLE `mytest` ( `t1` varchar(10) DEFAULT NULL, `t2` varchar(10) DEFAULT NULL, `t3` char(10) DEFAULT NULL, `t4` varchar(10) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPA... 阅读全文
posted @ 2016-06-19 18:57
zengkefu
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[root@localhost test]# python /root/soft/py_innodb_page_info.py -v t1.ibdpage offset 00000000, page type <File Space Header>page offset 00000001, page 阅读全文
posted @ 2016-06-19 17:59
zengkefu
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mysql> CREATE TABLE t (c BINARY(3)); Query OK, 0 rows affected (0.21 sec) mysql> INSERT INTO t SET c = 'a'; Query OK, 1 row affected (0.18 sec) mysql> SELECT HEX(c), c = 'a', c = 'a\0\0' from t; +... 阅读全文
posted @ 2016-06-19 15:39
zengkefu
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字符集规则设置: 字符集修改: 字符集修改2 MySQL中的字符集转换过程 1. MySQL Server收到请求时将请求数据从character_set_client转换为character_set_connection; 2. 进行内部操作前将请求数据从character_set_connect 阅读全文
posted @ 2016-06-19 14:47
zengkefu
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mysqladmin -r -i 2 ex | grep Innodb_rows_inserted 阅读全文
posted @ 2016-06-19 12:20
zengkefu
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http://luodw.cc/2016/04/29/HighLinux/ 阅读全文
posted @ 2016-06-19 09:56
zengkefu
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