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 cmd>mysqldump -B repltest -t --opt > xxx.sql
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 cmd>mysqldump repltest --opt > xxx.sql
 cmd>mysqldump -B repltest --opt > xxx.sql
 cmd>mysqldump --databases repltest --opt > xxx.sql
    4.µ¼³öÌØ¶¨±í
 cmd>mysqldump -B repltest --table t1 t2 --opt > xxx.sql
    5.µ¼³öÌø¹ýÌØ¶¨±í
 cmd>mysqldump -B repltest --ignore-table=repltest.t1 --ignore-table=repltest.t2 --opt > xxx.sql
   
B.±¸·ÝµÄÊÇ´¿Êý¾Ý
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 mysql>select * into outfile 'xxx.txt' fields terminated by ',' from t1
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 cmd>mysqldump repltest --tab=q:\dbbackup
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    1.»Ö¸´²¢¸²¸ÇÏÖÓÐÊý¾Ý¿â¡£Õë¶ÔÍêÕûµÄÊý¾Ý¿â±¸·Ý£¨SQL½Å±¾°üº¬CREATE DATABASE£©
 CMD>mysql -u root -p <xxx.sql
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 CMD>mysql -u root -p <xxx.sql
B.Õë¶Ô´¿Êý¾ÝÀàµÄ±¸·ÝÖ´Ðлָ´
    4.µ¼ÈëÊý¾Ýµ½Ìض¨±í£¨Õë¶Ôselect into outfile£©
 mysql>load data infile 'xxx.txt' into table db.t1. fields terminated by ',';
    5.µ¼ÈëÊý¾Ýµ½Ìض¨±í£¨Ê¹ÓÃmysqlimport£©
 cmd>mysqlimport DB -u root -p -l -d 't1.txt'
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