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

MYSQLµÄһЩС¼Ç

ÏÂÎç¿´ÁËÒ»¶ÎPHP100µÄÊÓÆµ¡£
Ò²ËãÓеãÊÕ»ñ¡£
ÀïÃæµÄÒ»¶Î×ÔдµÄfindallµÄSQLº¯Êý£º
public function findall($table) {
$this->query("SELECT * from $table");
}

Ô­À´Ö»ÊÇÕâô¼òµ¥£¬¸Õ»¹ÔÚ˼¿¼¡£
ʹÓÃÁËTAB¼üÉÏÃæµÄ¶ÙºÅÀ´ÐÞÊÎMYSQLÀïµÄ×Ö¶ÎÃû£¬È磺
UPDATE tablename SET `fieldname`='values' where `fieldname`='values'

ÒÔǰ¶¼Ã»ÓÐÕâÖÖϰ¹ß£¬Ö±½Ó×Ö¶ÎÃû¶¼²»¼ÓÐÞÊΣ¬¿´À´ÕâÊǸöºÃϰ¹ß¡£
ÍíÉÏ»¹ÒªÔÙ¿´Ò»µã£¬ºÃ¾ÃûÓÐд³ÌÐòÁË£¬ÓÖ¿ªÊ¼Óгɾ͸ÐÁ˺Ǻǡ£


Ïà¹ØÎĵµ£º

java£¬php£¬mysqlʱ¼ä´¦Àí

javaÖÐʱ¼ä´ÁºÍʱ¼ä×Ö·û´®Ö®¼äµÄת»»
»ñÈ¡µ±Ç°µÄunixʱ¼ä´Á
new Date().getTime()
System.currentTimeMillis()
·µ»ØµÄÊǺÁÃëÊý£¬Òª×ª»»long t = System.currentTimeMillis()/1000;
»ñÈ¡µ±Ç°ÄêÔÂÈÕÒÔ¼°Ê±·ÖÃë
Calendar c = Calendar.getInstance();
c.get(Calendar.YEAR))  c.get(Calendar.YEAR))  c.get(C ......

mysql ±íÊý¾Ý±¸·ÝºÍ»Ö¸´

 
¼Ù¶¨±ítbl_name¾ßÓÐÒ»¸öPRIMARY KEY»òUNIQUEË÷Òý£¬±¸·ÝÒ»¸öÊý¾Ý±íµÄ¹ý³ÌÈçÏ£º
1¡¢Ëø¶¨Êý¾Ý±í£¬±ÜÃâÔÚ±¸·Ý¹ý³ÌÖУ¬±í±»¸üÐÂ
mysql>LOCK
TABLES READ tbl_name;
¹ØÓÚ±íµÄËø¶¨µÄÏêϸÐÅÏ¢£¬½«ÔÚÏÂÒ»Õ½éÉÜ¡£
2¡¢µ¼³öÊý¾Ý
mysql>SELECT
* INTO OUTFILE ‘tbl_name.bak’ from tbl_name;
3¡¢½âË ......

ÈçºÎµ¼Èë.sqlÎļþµ½mysqlÖÐ

ÈçºÎµ¼Èë.sqlÎļþµ½mysqlÖУ¿
C:\mysql\bin>mysql  -u  Óû§Ãû -p  Êý¾Ý¿âÃû  <   c:/test.sql    (source "c:\adsense.sql" )
ÖмäµÄ¿Õ¸ñÊÇÒ»¸ö¿Õ¸ñλ¡£
ͬʱʹÓÃ200¶àMBµÄsqlÎļþ¡£
ÀýÈ磺
C:\Program Files\MySQL\bin>mysql -u root -p myrosz & ......

¹ØÓÚMySQLµÄ1067´íÎó½â¾ö·½·¨

 ¡ù ¹ØÓÚMySQLµÄ1067´íÎó½â¾ö·½·¨ ¡ù
ÄÚÈÝ£º
*************
1
°²×°MYSQLºó¸ü¸ÄÁËROOTµÄÃÜÂëºóÓÃ
net startmysql
Æô¶¯Ê±ÎÒ¾ÍÓöµ½ÁËÕâÑùµÄÎÊÌ⣮ʹÓÃÒÔÏÂÃüÁîºó
c:\mysql\bin\mysqladmin-u root -p shutdown
ÔÙnet start mysql¾ÍûÓÐÕâ¸ö´íÎóÌáʾÁË!
*************
2
MySQLµÄ1067´íÎó
Q£ºÎÒµÄMysqlÅöµ½ÁË 1 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ