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set @x = 2;
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select @x := max(fields) as max from table;
2.Éú³Éhtml»òxml
mysql -H -uroot -p databaseName Éú³ÉhtmlÎļþ
mysql -x -uroot -p databaseName Éú³ÉxmlÎļþ
3.mysql»á»°ÖеļǼ¹¦ÄÜ
msyql -ee=/usr/log -uroot -p
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4.show status like '%connections%' À´²é¿´×î´óÁ¬½ÓÊý
show status like '%Uptime%' ²é¿´½ø³Ì
show processlist ²é¿´µ±Ç°Ö´ÐеÄsqlÓï¾ä
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5.show character set ²é¿´×Ö·ûÉèÖÃ
show colllation like '%utf8%' ²é¿´collation(УÑé)£¬ci,cs,bin·Ö±ð´ú±íºöÂÔ´óСд£¬²»ºöÂÔ´óСд£¬¶þ½øÖÆ
6.create table t1 select * from t2 ÒÔt2Ϊ±ê×¼´´½¨Ð±ít1£¬²¢½«ËùÓÐÊý¾Ý×ªÒÆ¹ýÈ¥
7.alter table t1 engine = myisam ¸ü¸Ä engine Ϊ myisam
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1.µ¼³öÕû¸öÊý¾Ý¿â
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¡¡¡¡mysqldump -u wcnc -p smgp_apps_wcnc > wcnc.sql
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mysql -u root -p
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select user,host,password from mysql.user;
select user,host from mysql.user;
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set password for root@localhost=password('
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');
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