Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

MySQLµ¼Èë/µ¼³ö.sqlÎļþ


µ¼³ö.sqlÎļþ
1.½«Êý¾Ý¿âtransfer_server_dbµ¼³öµ½transfSRV.sqlÎļþÖУº
    mysqldump -u root -p transfer_server_db > /home/eric/transfSRV.sql
2.½«Êý¾Ý¿âtransfer_server_dbÖеÄdevice_info_tableµ¼³öµ½table.sqlÎļþÖУº
    mysqldump -u root -p transfer_server_db device_info_table > /home/eric/table.sql
3.½«Êý¾Ý¿âmydbµÄ½á¹¹µ¼³öµ½transfSRV.sqlÎļþÖУº
    mysqldump -u root -p transfer_server_db --add-drop-table > /home/eric/transfSRV.sql
µ¼Èë.sqlÎļþ
1¡¢µÇ½MySQL
    mysql -uroot -p;
2¡¢´´½¨Êý¾Ý¿â
    create database transfer_server_db;
3¡¢µ¼ÈëÊý¾Ý¿â½á¹¹Îļþ
    mysql -u root -p transfer_server_db < /home/eric/transfSRV.sql
¸ü¸ÄrootÔ¶³ÌȨÏÞ
1¡¢ÔÊÐírootÓû§Ê¹ÓÃÃÜÂëabc´Ó%µØÖ··¢ÆðÔ¶³Ì·ÃÎÊ
    mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'abc' WITH GRANT OPTION;
    mysql>FLUSH RIVILEGES


Ïà¹ØÎĵµ£º

¾­µäMYSQLÓï¾ä

SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(Create£¬Alter£¬Drop£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(Select£¬Delete£¬Update£¬Insert)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
Create DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡ ......

SQL Server 2000 Êý¾Ý¿âͬ²½(×ªÔØ)


ΪʲôҪͬ²½SQL Server 2000 Êý¾Ý¿â£¬Ëü¶¼ÓÃÔÚʲô³¡ºÏ
Êý¾Ýʵʱ±¸·Ýͬ²½£¬Êý¾Ý¿â·þÎñÆ÷³öÎÊÌâʱÎÒÃÇÒ²ÓÐÆäÕý³£¹¤×÷ʱµÄ±¸·Ý
Êý¾Ýʵʱ±¸·Ýͬ²½£¬Ò»Ì¨·þÎñÆ÷¸ºÔز»Æðʱ£¬¿ÉÒÔÓÃÀ´×ö¸ºÔؾùºâ
Êý¾Ýʵʱ±¸·Ýͬ²½£¬Êý¾Ý¿â·þÎñÆ÷¿ÉÒÔÎÞ¼ä¶Ï£¬ÎÞËðÊ§Ç¨ÒÆ
Ö÷·þÎñÆ÷±»¹¥»÷»òµ±»úʱÁíһ̨·þÎñͬ²½»ú¿ÉÒÔÓ¦¼±
¡£¡£¡£¡£¡£¿ÉÒÔ˵ ......

sqlÓï·¨


 
 
SQLÓï·¨ÊÖ²á
Select
ÓÃ;£º
 ´ÓÖ¸¶¨±íÖÐÈ¡³öÖ¸¶¨µÄÁеÄÊý¾Ý
Óï·¨£º
 
SELECT column_name(s) from table_name
 
½âÊÍ£º
´ÓÊý¾Ý¿âÖÐѡȡ×ÊÁÏÁУ¬²¢ÔÊÐí´ÓÒ»»ò¶à¸ö×ÊÁϱíÖУ¬Ñ¡È¡Ò»»ò¶à¸ö×ÊÁÏÁлò×ÊÁÏÐС£SELECT ³ÂÊöʽµÄÍêÕûÓï·¨Ï൱¸´ÔÓ£¬µ«Ö÷Òª×Ó¾ä¿ÉժҪΪ£º
SELECT select_ ......

PHPºÍMYSQLµÄ±àÂëÎÊÌâ

1 MYSQLÖеÄ×Ö·û¼¯¸ÅÄî
  MysqlµÄ×Ö·û¼¯ÀïÓÐÁ½¸ö¸ÅÄһ¸öÊÇ"Character set£¨×Ö·û¼¯£©"£¬ÁíÒ»¸öÊÇ"Collations"¡£
1.1 Collations
  Collations·­³ÉÖÐÎÄÊÇ"УÑé"£¬ÔÚÍøÒ³¿ª·¢µÄ¹ý³ÌÖУ¬Õâ¸ö´Ê»ã£¬Ö»ÔÚMysqlÀïʹÓã¬Ö÷Òª×÷ÓÃÊÇÖ¸µ¼Mysql¶Ô×Ö·ûµÄ±È½Ï£¬±ÈÈ磬 ASCII×Ö·û¼¯ÀCol ......

MySQLÏÂlimitºÍjoinµÄÓÅ»¯½¨Òé

PHPÖзÖÒ³¿Ï¶¨»áʹÓõ½MySQLµÄlimit,´ó²¿·Ö¶ÔÀàËÆ"select * from title where uid =** order by id desc limit m,n"ºÜÊìϤ,Ò²²»ÊÇÈ«²¿¶¼ÄÜ¿´³öÀïÃæÓÐʲô²»¶Ô,¿ÉÊǵ±ÊÇÔÚ´óÊý¾ÝÁ¿Ï²Ù×÷ÄØ,±ÈÈç°ÙÍòÀàËÆ"select * from title where uid =177 order by id desc limit 1234567,20"¾Í»á·¢ÏÖsqlÖ´ÐеÄʱ¼äÃ÷ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ