sql³£ÓÃÓï¾ä
use myoa
select * from
delete from department where departmentid=1
insert Department(DepartmentId,DepartmentName) values(1,'¼¼Êõ²¿')
update Department set departmentname='ÐÅÏ¢¼¼Êõ²¿' where departmentid=1
--ɾ³ý±í
drop table department
--ɾ³ýÊý¾Ý¿â
drop database bai
--ͳ¼ÆÊý¾Ý¿â±íÖмǼ
select count(*) as Êý¾Ý¿â¼Ç¼ from Department
Ïà¹ØÎĵµ£º
ÔÚijЩÇé¿öÏ£¬ÎÒÃÇ»áÐèÒªÖ±½ÓÓÉÊý¾Ý¿âÖÐÈ¥³ýһЩ×ÊÁÏ¡£Õâ¿ÉÒÔ½åÓÉ DELETE from Ö¸ÁîÀ´´ï³É¡£ËüµÄÓï·¨ÊÇ£º
DELETE from "±í¸ñÃû"
WHERE {Ìõ¼þ}
ÒÔÏÂÎÒÃÇÓøöʵÀý˵Ã÷¡£¼ÙÉèÎÒÃÇÓÐÒÔÏÂÕâ¸ö±í¸ñ£º
Store_Information ±í¸ñ
store_name
Sales
Date
Los Angeles
$1500
Jan-05-1999
San Diego
$250
Jan-0 ......
×î½üÕýÔÚѧϰÓÃSQL×öһЩ¶«Î÷£¬ÔÚÒ»¸öÌû×ÓÉÏÃæ¿´µ½ÕâÆª¶ÔºÜÓаïÖú£¬¾Í×ªÔØµ½ÁË×Ô¼ºµÄBlogÀϣÍû¶Ô´ó¼ÒÒ²ÓаïÖú¡£
SQL²Ù×÷È«¼¯
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù× ......
1) ͳ¼Æ¸÷¸öϵµÄѧÉúÐÅÏ¢
select count(Sname) ×ÜÈËÊý,Sdept from Student group by Sdept
2) ²éѯÐŹÜϵѧÉúµÄ×î´óÄêÁäºÍ×îСÄêÁä
select MAX(Sage) ×î´óÄêÁä,MIN(Sage) ×îСÄêÁä from Student where
Sdept='ÐŹÜϵ'
3) ²éѯÐŹÜϵ×î´óÄêÁäºÍ×îСÄêÁäµÄѧÉúµÄÐÕÃû
select Sname from St ......
Microsoft SQL Server2005¼¼ÊõÄÚÄ»:T-SQL³ÌÐòÉè¼Æ
http://www.amazon.cn/mn/detailApp/ref=sr_1_25?_encoding=UTF8&s=books&qid=1261538877&asin=B0011C2568&sr=8-25
Microsoft SQL Server 2005¼¼ÊõÄÚÄ»£º²éѯ¡¢µ÷ÕûºÍÓÅ»¯
http://www.amazon.cn/mn/detailApp/ref=sr_1_4?_encoding=UTF8&s=books&am ......
ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK)
Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE data ......