mysql ¾¿¾¹ÈçºÎ½â¾ö×Ö·ûÂÒÂë
SQL code:
SET NAMES 'gb2312'
drop table if exists t_course;
create table t_course(
id int(11) not null auto_increment,
name varchar(50) default null,
primary key(id)
)ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPRESSED;
#set names 'gbk';
insert into t_course values (1,'java');
insert into t_course values (2,'.Net');
insert into t_course values (3,'PHP');
insert into t_course values (4,'¿ò¼Ü');
drop table if exists t_subject;
create table t_subject(
id int(11) not null auto_increment,
name varchar(50) default null,
course_id int(11) default null,
primary key(id)
)DEFAULT CHARSET=utf8;
insert into t_subject values (1,'jsp',1);
insert into t_subject values (2,'servlet',1);
insert into t_subject values (3,'struts',1);
insert into t_subject values (4,'c#',2);
insert into t_subject values (5,'ASP.NET',2);
insert into t_subject values (6,'VB.NET',2);
insert into t_subject values (7,'php',3);
insert into t_subject values (8,'mysql',3);
insert into t_subject values (9,'hibernate¿ò¼Ü',4);
insert into t_subject values (10,'spring¿ò¼Ü',4);
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Query OK, 1 row affected (0.02 sec)
Query OK, 1 row affected (0.00 sec)
Query OK, 1 row affected (0.01 sec)
Query OK, 1 row affected (0.00 sec)
ERROR 1
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<?php
$conn=mysql_connect("localhost","root","614510")or die("Êý¾Ý¿â·þÎñÆ÷Á¬½Ó´íÎó".mysql_error());
& ......
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now()
SQL code:
sqlÀïÊÇ£º
getdate()
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now()
ѧϰ
SQL code:
select now();
SQL code:
TODAY()
?
SQL code:
select now();
/* ......
MYSQL ½ØÈ¡Ò»¸öÊý¾Ý±íÖÐ,ijһ¸ö×Ö¶Î(fulltext) µÄǰÈý°Ù¸ö×Ö·û,·Åµ½¸Ã±íÏÂÁíÒ»¸ö×Ö¶Î(introtxt)Àï.
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SQL code:
update ±í set introtxt=left(`fulltext`,300);
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SQL code: ......
ÇëÎÊһϴó¼ÒÓÐûÓÐÈËÅäÖùýmysqlµÄiniµÄÅäÖÃÎļþ£¬ÏÖÔÚÎÒÓÐÒ»¸öÎÊÌâ¾ÍÊÇ.ÏÖÔÚ±íÖÐ35ÍòÌõµÄÊý¾Ý²éѯ³öÀ´ÊÇûÓÐÎÊÌâµÄ£¬µ«Êǵ±Êý¾Ý¿â´ïµ½°ÙÍòÒÔÉÏÊý¾Ý¾Í²éѯ²»³öÀ´ÁË£¬£¨Ç°ÌáÊÇͬÑùµÄÌõ¼þÀ´×öÕâÁ½´ÎÊý¾Ý²éѯ² ......
/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql mysql
tar zxvf mysql-5.1.34.tar.gz
cd mysql-5.1.34/
./configure --prefix=/usr/local/webserver/mysql/ --enable-assembler --with-extra ......