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MySqlÊý¾Ý¿âµ¼³öcsvÎļþÃüÁ
mysql> select first_name,last_name,email from account into outfile 'e:\\output1.csv' fields terminated by ','optionally enclosed by ''lines terminated by '\n';
csvÎļþЧ¹û£º



sunny
Grigoryan
lovechoosesun@gmail.com
Jon
Siegal
sun@riliantech.net
Joe
Siegal
zhao@gmail.com
alejandro
medina
wei@gmail.com
cvsÎļþµ¼ÈëMySqlÊý¾Ý¿âÃüÁî:
mysql> load data local infile 'e:\\input1.csv' into table test1 fields termin
ated by ','lines terminated by '\n'(first_name,last_name,email);
Query OK, 1 row affected, 1 warning (0.00 sec)
Records: 69  Deleted: 0  Skipped: 68  Warnings: 0
mysql> select * from test1;
+----+------------+-----------+--------------------------+
| id | first_name | last_name | email                    |
+----+------------+-----------+--------------------------+
 | 0 | sunny      | Grigoryan | lovechoosesun@gmail.com
+----+------------+-----------+--------------------------+
FIELDS TERMINATED BY ---- ×Ö¶ÎÖÕÖ¹×Ö·û
OPTIONALLY ENCLOSED BY ---- ·âÌ×·û
LINES TERMINATED BY ---- ÐÐÖÕÖ¹·û


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net stop mysql
net start mysql
µÚ¶þÕС¢µÇ½mysql
Óï·¨ÈçÏ£º mysql -uÓû§Ãû -pÓû§ÃÜÂë
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mysql>
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µ ......

Mysql·þÎñ°²×°ºÍÐ¶ÔØÃüÁî

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mysql-nt –install
net start  mysql
µ±È»Ó´ÔÚbinĿ¼ÔËÐÐÕâ¸öÃüÁîÁË
Ð¶ÔØµÄÃüÁîÊÇ:
net stop "MySQL"
mysqld-nt.exe –remove "MySQL"
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mysql º¯Êý

***function(/*³£Óú¯Êý*/)***
----ͳ¼Æº¯Êý----
AVG    --Ç󯽾ùÖµ
COUNT   --ͳ¼ÆÊýÄ¿
MAX    --Çó×î´óÖµ
MIN    --Çó×îСֵ
SUM    --ÇóºÍ
--AVG
use pangu
select avg(e_wage) as dept_avgWage
from employee
group by dept_id
--M ......
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