ΪʲômysqlµÄÅÅËüËø¼ÓÁËÖ®ºóÆäËüµÄ»á»°»¹ÕÕÑùÄܲéÑ¯ÄØ£¿
²»¿ÉÄܰÉ
mysql>lock tables $your_tab_name write
then you get another session, but can not query now
Â¥Ö÷ÊÇÈçºÎ¼ÓËøµÄÄØ£¬°ÑÄãµÄÓï¾äÌù³öÀ´£¬ÕâÑù´ó¼ÒÈÝÒ×·ÖÎöÊÇʲôÔÒò¡£
¹À¼ÆÊÇÄã¼ÓËø·½Ê½²»¶Ô¡£
lock tables $tab_name writ ......
SQL code:
select `product_list`.`ProductID`,`software_shop_detail`.`Price` + `hardware_shop_detail`.`Price` price
from `product_list`,`software_shop_detail`,`hardware_shop_detail`
where
`product_list`.`ProductID` = `software_shop_detail`.`ProductID`
and
`product_list`.`ProductID` = `hardware ......
±¸·ÝÒ»¸öÊý¾Ý¿âÊdzɹ¦µÄ£¬µ«ÊÇÔÚ»¹ÔµÄʱºòÈ´Ìáʾʧ°Ü£¬²é¿´ÁËÒ»ÏÂʧ°ÜµÄÔÒòÊÇ£º
±¸·ÝµÄÎļþÀïÃæÈç¹ûÓвåÈëµÄÓï¾äÊÇinsert into ±í values ((¼Ç¼1),(¼Ç¼2),(¼Ç¼3));
¿ÉÊÇÔÚ»¹ÔµÄʱºò£¬µ½Õâ¸öµØ·½È´ÌáʾÊÇ´íÎóµÄ£¬Èç¹û¸Ä³Éinsert into ±í values(¼Ç¼1);
insert into ±í values(¼Ç¼1);
insert into ±í val ......
phpmyadminºÃÏñ×öÒ»¸ö²Ù×÷ʱ,Ëü»áÌáʾ"ÊÇ·ñÒªÖ´ÐÐÒÔÏÂsqlÓï¾ä"²¢°Ñ²Ù×÷¶ÔÓ¦µÄsqlÁгöÀ´,²»¹ýphpmyadminÎҸоõÔÚÊý¾Ý¿âÀï±íÌ«¶àµÄʱºò»áºÜÂý,Ï뻻һЩ¸üºÃÓõŤ¾ß
»¹ÓÐÄÄЩ¹¤¾ßÓÐÕâÑùµÄ¹¦ÄÜÄØ,ÎÒÏ£Íûͨ¹ýÕâ¸öÀ´Ñ§Ò»Ï³£ÓõÄmysql¹¤¾ßºÍsqlÓï¾ä
navicatÎÒ¾õµÃ±È½ÏºÃÓÃ,µ«ÊÇ,ËüÓÐûÓа취¿ÉÒÔÏÔʾ¶ÔÓ ......
¸÷λºÃѽ£¿
°ï¸öæѽ£¬ÎÊÌâÊÇÕâÑùµÄ£¬²»¹ÜÊÇÓÃJQ£¬»¹ÊÇJS£¬CSS£¬Éè¼ÆÒ»¸öµ¯³öÁ½²ãµÄDIV£¬Ð»Ð»ÁË£¬
ÎÒÓõÄÒ»¸öÔÚIEÀïûÓÐЧ¹û£¬ÔڹȸèÀïÓÐЧ¹û£¬°ÚÍÑÁË¡£
ÎÒµÄÊÇÕâÑ ......
ͬÉÏ
ÏÂÔØ°²×° mysql µÄODBCÇý¶¯¡£
http://dev.mysql.com/downloads/connector/odbc/5.1.html
Á¬½Ó×Ö·û´®
Driver={MySQL ODBC 5.1 Driver};Server=localhost;Database=myDataBase; User=myUsername;Password=myPassword;Option=3;
UP
C# code:
string connectionstring="Driver={mysql};databas ......