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2009-06-04 13:11
1¡£ ¸Ä±í·¨¡£¿ÉÄÜÊÇÄãµÄÕʺŲ»ÔÊÐí´ÓÔ¶³ÌµÇ½£¬Ö»ÄÜÔÚlocalhost¡£Õâ¸öʱºòÖ»ÒªÔÚlocalhostµÄÄÇ̨µçÄÔ£¬µÇÈëmysqlºó£¬¸ü¸Ä "mysql" Êý¾Ý¿âÀïµÄ "user" ±íÀïµÄ "host" Ï´Ó"localhost"¸Ä³Æ"%"
Sql´úÂë ¸´ÖÆ´úÂë
1. mysql -u root -pvmwaremysql>use mysql;
2. mysql>update user set host = '%' where user = 'root';
3. mysql>select host, user from user;
mysql -u root -pvmwaremysql>use mysql;
mysql>update user set host = '%' where user = 'root';
mysql>select host, user from user;
2. ÊÚȨ·¨¡£ÀýÈ磬ÄãÏëmyuserʹÓÃmypassword´ÓÈκÎÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷µÄ»°¡£
Sql´úÂë ¸´ÖÆ´úÂë
1. GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WI
2. TH GRANT OPTION;
3. FLUSH PRIVILEGES;
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WI
TH GRANT OPTION;
FLUSH PRIVILEGES;
Èç¹ûÄãÏëÔÊÐíÓû§myuser´ÓipΪ192.168.1.6µÄÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷£¬²¢Ê¹ÓÃmypassword×÷ΪÃÜÂë
Sql´úÂë ¸´ÖÆ´úÂë
1. GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
2. 'mypassword' WITH GRANT OPTION;
3. FLUSH PRIVILEGES;
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
Èç¹ûÄãÏëÔÊÐíÓû§myuser´ÓipΪ192.168.1.6µÄÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷µÄdkÊý¾Ý¿â£¬²¢Ê¹ÓÃmypassword×÷ΪÃÜÂë
Sql´úÂë ¸´ÖÆ´úÂë
1. GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
2. 'mypassword' WITH GRANT OPTION;
3. FLUSH PRIVILEGES;
GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
×¢ÒâÊÚȨºó±ØÐëFLUSH PRIVILEGES;·ñÔòÎÞ·¨Á¢¼´ÉúЧ¡£
ÁíÍâÒ»ÖÖ·½·¨.
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1.µÇ¼MySQLÖÕ¶Ë 2.ÊÚȨ:
ÔÊÐíËùÓлúÆ÷·ÃÎÊMySQL·þÎñÆ÷
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH RIVILEGES;
ÔÊÐíÖ¸¶¨»úÆ÷·ÃÎÊMySQL·þÎñÆ÷
GRANT ALL PRIVILEGES ON *.* TO 'root'@'IPµØÖ·'IDENTIFIED BY 'password' WITH GRANT OPTION; ......
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1. OracleÖеÄto_number()ת»»³ÉÊý×Ö£»
Oracle> Select to_number(‘123’) from dual; ----- 123;
&nbs ......
* mysqlÊ×ÏȽ«Äõ½µÄÊý¾Ýת»»Îªcharacter_set_clientÖ¸¶¨µÄ±àÂë¸ñʽ£¬È»ºóת»»Îª character_set_connectionÖ¸¶¨µÄ¸ñʽ£¬×îºóÔÙ½«Êý¾Ý´æ´¢µ½Êý¾Ý¿â£¬´æ´¢¸ñʽΪcharacter_set_databaseËùÖ¸¶¨µÄ¸ñʽ£»
* ´ÓÊý¾Ý¿â¶ÁÊý¾Ýʱ£¬½«Êý¾Ý¿â¸ñʽת»»Îªcharacter_set_resultsÖ¸¶¨µÄ¸ñʽ£¬ÔÙ·¢Ë ......
MySQL Data Type
Oracle Data Type
BIGINT
NUMBER(19, 0)
BIT
RAW
BLOB
BLOB, RAW
CHAR
CHAR
DATE
DATE
DATETIME
DATE
DECIMAL
FLOAT (24)
DOUBLE
FLOAT (24)
DOUBLE PRECISION
FLOAT (24)
ENUM
VARCHAR2
FLOAT
FLOAT
INT
NUMBER(10, 0)
INTEGER
NUMBER(10, 0)
LONGBLOB
BLOB, RAW
LONGTEX ......