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

MySQLѧϰ(2)ʱ¼äÀàÐÍ

DAT_E,TIM_E,DAT_ETIME,TIM_ESTAMP,Y_EAR
MySQLÖ§³Ö¶àÖÖ¸ñʽ»¯·½Ê½£¬²åÈëʱ¿ÉÒÔÊÇ×Ö·û´®£¬¿ÉÒÔʹÊý×Ö¡£
MySQL´ú±í×Ö·û´®µÄ·½Ê½ÓÐÁ½ÖÖ£¬Ò»Êǵ¥ÒýºÅ£¬ÁíÒ»ÖÖÊÇË«ÒýºÅ¡£
ÓÖÒ»´ÎÌύʧ°Ü£¬¿´À´CSDNµÄBUG»¹ÊǺܴóµÄ¡£
Ô­Òò»ù±¾È·¶¨£¬ÊÇÒòΪDATE£¬TIME£¬DATETIME£¬TIMESTAMP£¬YEARΪMySQLÊý¾ÝµÄ¹Ø¼ü×Ö£¬Ò²ÊÇÆäËûÊý¾Ý¿âµÄ¹Ø¼ü×Ö£¬²åÈëʱ¾Í»á±¨´í£¬Õâʱºò¿É¼û׼ȷµÄ´íÎóÌáʾµÄÖØÒªÐÔ¡£


Ïà¹ØÎĵµ£º

mysql »ù±¾²Ù×÷º¯Êý

Ò» . °²×°ÓëÅäÖÃMYSQL
¶þ . ³£ÓÃmysqlÃüÁîÐÐÃüÁî
1 .mysqlµÄÆô¶¯ÓëÍ£Ö¹
Æô¶¯MYSQL·þÎñ net start mysql
Í£Ö¹MYSQL·þÎñ net stop mysql
2 . netstat –na | findstr 3306 ²é¿´±»¼àÌýµÄ¶Ë¿Ú , findstrÓÃÓÚ²éÕÒºóÃæµÄ¶Ë¿ÚÊÇ·ñ´æÔÚ
3 . ÔÚÃüÁîÐÐÖеǽMYSQL¿ØÖÆÌ¨ , ¼´Ê¹Óà MYSQL COMMEND LINE TOOL
 & ......

mysql¹ØÓÚÍøÉÏÁ÷תµÄ£¬Éú³É£³£¬£¶Ö®¼äµÄËæ»úÕûÊý

Èç¹ûÄãËÑË÷GOOGLE£¬Äã»áÕÒµ½ºÜ¶à¹ØÓÚmysqlµÄËæ»úÊý£¬ËûÃÇ»áÕâÑù˵
Éú³É£³£¬£¶Ö®¼äµÄËæ»úÕûÊý
FLOOR(3 + (RAND() * 6))
ÔÚ4ºóÃæÌí¼ÓÒ»¸ö3µ½6Ö®¼äµÄÕûÊý
CONCAT(343,FLOOR(3 + (RAND() * 6)))
ÔÚijһ×ֶκóÃæÌí¼Óһλ£³£¬£¶Ö®¼äµÄÕûÊý
UPDATE test SET xx= CONCAT(xx,FLOOR(3 +(RAND() * 6)));
µ«ÊÇÎÒ˽×Ô²âÊÔÁËһϣ¬ ......

pythonÄ£¿éÖ®MySQLdb: ÓÃpythonÁ¬½ÓmysqlÊý¾Ý¿â

mysqlÊÇÒ»¸öÓÅÐãµÄ¿ªÔ´Êý¾Ý¿â£¬ËüÏÖÔÚµÄÓ¦Ó÷dz£µÄ¹ã·º£¬Òò´ËºÜÓбØÒª¼òµ¥µÄ½éÉÜÒ»ÏÂÓÃpython²Ù×÷mysqlÊý¾Ý¿âµÄ·½·¨¡£python²Ù×÷Êý¾Ý¿âÐèÒª°²×°Ò»¸öµÚÈý·½µÄÄ£¿é£¬ÔÚhttp://mysql-python.sourceforge.net/
ÓÐÏÂÔØºÍÎĵµ¡£
    ÓÉÓÚpythonµÄÊý¾Ý¿âÄ£¿éÓÐרÃŵÄÊý¾Ý¿âÄ£¿éµÄ¹æ·¶£¬ËùÒÔ£¬Æäʵ²»¹ÜʹÓÃÄÄÖÖÊý¾ ......

¾ßÓиºÔؾùºâ¹¦ÄÜMySQL·þÎñÆ÷¼¯Èº²¿ÊðʵÏÖ

À´×Ô£ºhttp://it.china-b.com/zx/linuxsjk/20090525/24129_1.html
ÕªÒª£ºMySQLÊÇÒ»¸ö¸ßËÙ¶È¡¢¸ßÐÔÄÜ¡¢¶àÏ̵߳ĹØÏµÐÍÊý¾Ý¿â
ÖÎÀíϵͳ£¬ÊÊÓÃÆ½Ì¨¶à£¬¿ÉÀ©Õ¹ÐÔÇ¿¡£ÔÚʵ¼ÊÉú²ú»·¾³ÖУ¬²¿ÊðºÍʵÏÖ¾ßÓÐÒ»¶¨¸ºÔؾùºâ¹¦ÄܵÄMySQL·þÎñÆ÷¼¯Èº£¬¶ÔÓÚÌá¸ßÓû§Êý¾Ý¿â
Ó¦ÓÃϵͳµÄÐÔÄÜ¡¢ËٶȺÍÎȶ¨ÐÔ¾ßÓÐÃ÷ÏÔµÄ×÷Óᣱ¾ÎļòÒª½éÉÜÁËÔÚ ......

MySQLѧϰ(1)Procedure,TRIGGER,FUNTCION

MySQLµÄÒ²Ö§³Ö´æ´¢¹ý³Ì£¬º¯Êý£¬´¥·¢Æ÷¡£
ÒÔϸ÷¸ö¹¦ÄܵÄÏêÊö£¬Ö÷ÒªÊÇʾÀý¡£
/**1.¶¨Òå·Ö¸î·û*/
DELIMITER //
/**2.´´½¨º¯Êý-¼ÆËãÁ½ÊýÖ®ºÍ*/
CREATE FUNCTION f_sum(num1 INT,num2 INT) RETURNS INT
BEGIN
RETURN num1+num2;
END;
//
/**
*3.´´½¨´æ´¢¹ý³Ì
*˼·£º3.1.Óиô洢¹ý³ÌÔòɾ³ý£¬3.2ÓÐʹÓõÄÖмä±í ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ