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
×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× ......
ͨ¹ýSqlÓï¾ä»ñµÃ ÁеÄÀàÐͺÍ˵Ã÷:
µÃµ½µÄ±íÍ·£º±íÃû|ÁÐÃû|ÀàÐÍ|˵Ã÷
1£ºÕë¶Ôsql server 2000£¬ÔÚsql2000ÖУ¬Ê¹Óãºsysobjects,syscolumnsºÍsysproperties±í
SELECT o.name as table_name,c.name AS col_name,type_name(c.xtype) AS type_name,isnull(p.value,'') AS col_Pro ......
1.·ÖÎöϵͳÈÕÖ¾£¬Ò»ÐÐÒ»Ðп´×ÅʵÔÚÀÛÈË£¬ºÜ¶àÎÞ¹ØÈÕÖ¾£¬ÄܹýÂËϾͺÃÁË¡£Îı¾¹¤¾ß¹¦ÄÜʵÔÚÓÐÏÞ£¬ÓÚÊǺõ£¬½«windowsϵͳÈÕÖ¾µ¼Èësql serverÖУ¬Ö±½ÓsqlÖ®……¡£ÊµÑéÁ˼¸°Ñ£¬×îºÃµÄÊÇ£¬Ö±½Ó½«ÏµÍ³ÈÕÖ¾µ¼³öΪÎı¾µÄ£¬Ö±½Ótab·Ö¸îµÄ£¬µ¼ÈësqlµÄʱºò£º
н¨Êý¾Ý¿â->µ¼ÈëÊý¾Ý->ÏÂÒ»²½->Êý¾ÝÔ´Ñ¡ÔñÎı¾Îļþ- ......
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 ......