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

mysql¹ý³ÌÓαê

DELIMITER $$
DROP PROCEDURE IF EXISTS `heli`.`prodtest` $$
CREATE PROCEDURE `heli`.`prodtest` ()
BEGIN
  /*¾Ö²¿±äÁ¿µÄ¶¨Òå declare*/
  declare pid varchar(45) default '';
  declare pq int default 0;
  declare pk double default 0.0;
  declare cur1 CURSOR FOR SELECT product_id,product_quantity,product_kg from productstock;
  /* ÓαêÒì³£ºóÉèÖÃpidΪNULL */
  declare CONTINUE HANDLER FOR SQLSTATE '02000' SET pid = null;
  /*¿ªÓαê*/
     OPEN cur1;
        FETCH cur1 INTO pid,pq,pk;
        WHILE (pid is not null) DO
            /* dosomething */
            select pid,pq,pk;
            FETCH cur1 INTO pid,pq,pk;
        END WHILE;
     CLOSE cur1;
END $$
DELIMITER ;


Ïà¹ØÎĵµ£º

MySQLµÄcµ÷ÓÃ


1. ¸½¼ÓÏîÒ»¶¨ ¼ÓÉÏlibmysql.lib¡£
2. include Ò»¶¨¼ÓÉÏ mysqlµÄinclude£¨ÒòΪҪÅÜÕâ¹Ø¼üÒ»¾ä
#include <mysql.h>£©
3  lib Ò»¶¨¼ÓÉÏ mysqlµÄlib
 
ºÃÁËÏÂÃæÊÇʵÀýºÍphpº¯Êý»ù±¾Ò»ÑùµÄ¡£±¾È˲»¿ÉÄܸøÄã·­ÒëÎĵµ£¬º¯Êý²»¶®×Ô¼º¿´¡£
#include
<windows.h>//ÓÃÕâ¸ö·½±ã£¬°üº¬winsock.hËùÒ ......

XamppÀïMysql·þÎñÆô¶¯²»ÆðÀ´£¬´íÎó1067

 ÔÚXAMPPÀïMYSQLÒÔ·þÎñ·½Ê½Æô¶¯Ê§°Ü£¬Ìáʾ´íÎóÊÇ 1067 ½ø³ÌÒâÍâÖÕÖ¹
½â¾ö·½·¨£º
1¡¢ ½øÈë xampp°²×°Ä¿Â¼
2¡¢½øÈëmysql\bin\Ŀ¼£¬ ´ò¿ªmy.ini £¬ ÐÞ¸Ä
[mysqld]
port= 3306
socket= "/xampp/mysql/mysql.sock"
basedir="/xampp/mysql"
tmpdir="/xampp/tmp"
datadir="/xampp/mysql/data"
°Ñ·¾¶²¹È«£¬±ÈÈçx ......

ÈçºÎÌá¸ßMySQLÐÔÄÜ

Ò»¡¢ÎÊÌâµÄÌá³ö

¡¡¡¡ÔÚÓ¦ÓÃϵͳ¿ª·¢³õÆÚ£¬ÓÉÓÚ¿ª·¢Êý¾Ý¿âÊý¾Ý±È½ÏÉÙ£¬¶ÔÓÚ²éѯSQLÓï¾ä£¬¸´ÔÓÊÓͼµÄµÄ±àдµÈÌå»á²»³öSQLÓï¾ä¸÷ÖÖд·¨µÄÐÔÄÜÓÅÁÓ£¬µ«ÊÇÈç¹û½«Ó¦ÓÃϵͳ
Ìύʵ¼ÊÓ¦Óúó£¬Ëæ×ÅÊý¾Ý¿âÖÐÊý¾ÝµÄÔö¼Ó£¬ÏµÍ³µÄÏìÓ¦ËٶȾͳÉΪĿǰϵͳÐèÒª½â¾öµÄ×îÖ÷ÒªµÄÎÊÌâÖ®Ò»¡£ÏµÍ³ÓÅ»¯ÖÐÒ»¸öºÜÖØÒªµÄ·½Ãæ¾ÍÊÇSQLÓï¾äµÄÓÅ»¯¡£ ......

MySQL µÄǶÌײéѯ

×î½üÔÚMySQLÉÏ×öÁ˵㹤×÷£¬·¢ÏֺܶàÈ˶¼ÔÚѯÎÊMySQLǶÌײéѯµÄÎÊÌ⣬Ðí¶àÈ˶¼¾õµÃMySQL²»Ö§³ÖǶÌײéѯ£¬ÆäʵMySQl´Ó4.11°æºóÒѾ­Íêȫ֧³ÖǶÌײéѯÁË£¬ÄÇôÏÂÃæÎÒ¾ÙЩ¼òµ¥µÄǶÌײéѯµÄÀý×Ó°É£¨Ô´³ÌÐòÀ´×ÔMySQL User Manual£©£º
1. SELECTÓï¾äµÄ×Ó²éѯ:
Óï·¨: SELECT ... from (subquery) AS name ...
ÏÈ´´½¨Ò»¸ö±í:
......

MySqlµ¼³ösql½Å±¾


mysqlµ¼³ösql½Å±¾ Êղؠ
   ×¢ÒâÊÂÏî:
*±ØÐëÔÚD:\LTSOFT\MYSQL4\bin> mysqldump -u root -p test > c:\a.sql
ÏȵýøÈëmysql°²×°Ä¿Â¼µÄbinÏ£¨¿ÉÒÔ¿´µ½ÀïÃæÓÐmysqldump.exe£©£¬Í¨³£mysqlĬÈϰ²×°ÔÚC:\Program    Files\MySQL\MySQL Server 5.0
* ²»ÄܽøÈëmysql ÃüÁîÀï.
MySQLµ¼³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ