·þÎñÆ÷ win2003+iis6.0+php5+mysql5.1.42
ÌìÍø·À»ðǽ ¿ª 80¶Ë¿Ú 3306¶Ë¿Ú
¹ØÁË·À»ðǽ ¾ÍûÎÊÌâ ¿ªÁË·À»ðǽ ÍøÕ¾¾ÍÉϲ»È¥ÁË ¡£
Ô¶³ÌÁ¬½Ó mysql ³É¹¦ ¿ª·À»ðǽҲÄÜÔ¶³ÌÁ¬½Ó £¬µ«ÊÇ ¿ªÁË·À»ðǽ¾ÍÊÇ·ÃÎʲ»ÁËÕ¾µã Ìáʾ Êý¾Ý¿âÁ¬½Ó´íÎó¡£
¼±ËÀÁË Ó¦¸ÃÊÇÄĸö¶Ë¿Ú û ¿ª µ«ÊÇ 80 3306 ......
sql:"select id,stno,sname,ic_no from student where id in (select studentid from groupstu where groupid=11876)
java.sql.SQLException: null: Got error 124 from storage engine
at org.gjt.mm.mysql.MysqlIO.nextRow(MysqlIO.java:786)
at org.gjt.mm.mysql.MysqlIO.getResultSet(MysqlIO.java ......
ÈçºÎ¶ÔmysqlÕû¸ö¿âËÑË÷ Èç¹Ø¼ü×Ö ¡°Ð¹ɷ¢ÐС±
Õû¸ö¿â£¿ÊDz»ÊÇ˵ij¸ö±íµÄËùÓÐ×ֶΣ¿
¶÷£¬ÊÇËùÓÐ×Ö¶Î ²¢ÇÒ ËùÓбí
Èç¹ûÄãÓóÌÐòµÄ»°£¬¿ÉÒÔÓÃsqlÓï¾äshow databases£¬È»ºó°´ÕÕ²é³öµÄ½á¹û¼¯£¬Ò»´ÎµÄshow tables,È»ºóÔÙÒ»´ÎÈ¥²éÕÒÄãµÄ¼Ç¼£¬ÊDz»ÊÇ¿ÉÒÔʹÓÃÈ«ÎÄË÷Òý£¬»¹ÊÇÄãÔÙÒ»´Îµü´údesc [tableName]È¥²éÕÒÿһ¸ö×Ö¶ÎÄØ ......
mysql ²éѯij¸ö×ֶεÄÉÏÒ»ÐлòÕßÏÂÒ»ÐÐ
СF °ïæһÏÂ
MYSQL²»»á°¡
SQL code:
--MSSQL
select * from
(select top 1 * from tb where id>5 order by id asc)a
union all
select * from
(select top 1 * from tb where id<5 order by id desc)b
СF mssqlÕâÑùµÄÓï¾ ......
ÏÖÔڵĽÓÊÕ·½Ê½ÈçÏ£º
C/C++ code:
sprintf(SELETESTR,"select id,name,pwd from user where id=1");
stmt = mysql_stmt_init(mysql);
...............................
..............................
while (!mysql_stmt_fetch(stmt))
{
m_id=id;
m_name=name;
......
±ÈÈ磬ÎÒÐèÒªÒ»¸öÕæ¼ÙÐ͵Ä×ֶΣ¬ÎÒÓ¦¸ÃѡʲôÑùµÄ×Ö¶ÎÀàÐͰ¡£¿Ð»Ð»£¡£¡£¡
SET
²Î¿¼£º
http://school.itzcn.com/special-spid-30.html
ÉÏÃæ½²½âµÄ±È½ÏÏêϸ£¬Ï£Íû¶ÔÂ¥Ö÷ÓÐËù°ïÖú¡£
Õæ¼ÙÐ͵Ä×Ö¶Î? mysql²»ÊÇÓиöÀàÐÍÊÇboolµÄÂ𣿠ÓÃÕâ¸ö²»ÐÐ?
Ŷ£¬Ð»Ð»Â¥ÉϵÄÅóÓÑ¡£
tinyint
ÊÇÕâÑùµÄ°¡£¬ÎÒÑ¡ÔñÁËb ......