Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÈçºÎÖ´ÐÐÒ»¸ömysqlµÄsql½Å±¾Îļþ


2009-12-08 18:53
sql½Å±¾Êǰüº¬Ò»µ½¶à¸ösqlÃüÁîµÄsqlÓï¾ä£¬ÎÒÃÇ¿ÉÒÔ½«ÕâЩsql½Å±¾·ÅÔÚÒ»¸öÎı¾ÎļþÖУ¨ÎÒÃdzÆÖ®Îª“sql½Å±¾Îļþ”£©£¬È»ºóͨ¹ýÏà¹ØµÄÃüÁîÖ´ÐÐÕâ¸ösql½Å±¾Îļþ¡£»ù±¾²½ÖèÈçÏ£º
1¡¢´´½¨°üº¬sqlÃüÁîµÄsql½Å±¾Îļþ
ÎļþÖаüº¬Ò»Ð©ÁеÄsqlÓï¾ä£¬Ã¿ÌõÓï¾ä×îºóÒÔ;½á⣬ÎļþÄÚÈÝʾÀýÈçÏ£º
--´´½¨±í£¬Ê¹ÓÓ--”½øÐÐ×¢ÊÍ
create table ±íÃû³Æ
(                   
Guid Varchar(38) not null primary key, 
Title Varchar(255),       
              
) TYPE=InnoDB;
--ÔÚ±íAÖÐÔö¼Ó×Ö¶ÎStatus
alter table A add Status TinyInt default '0';
--ÔÚ±íAÉÏ´´½¨Ë÷Òý
create index XX_TaskId_1 on A(Id_);
--ÔÚA±íÖÐÌí¼ÓÒ»Ìõ¼Ç¼
Insert into A (Id,ParentId, Name) values(1,0,'Ãû³Æ');
--Ìí¼Ó¡¢Ð޸ġ¢É¾³ýÊý¾Ýºó£¬ÓпÉÄÜÐèÒªÌá½»ÊÂÎñ
Commit;
2¡¢Ö´ÐÐsql½Å±¾Îļþ
·½·¨Ò» Ê¹ÓÃdosÃüÁîÖ´ÐÐ(windowsÏ£¬unix»òlinuxÔÚµÄÆä¿ØÖÆÌ¨ÏÂ)
¡¾MysqlµÄbinĿ¼¡¿\mysql –uÓû§Ãû –pÃÜÂë –DÊý¾Ý¿â<¡¾sql½Å±¾Îļþ·¾¶È«Ãû¡¿£¬Ê¾Àý£º
D:\mysql\bin\mysql –uroot –p123456 -Dtest<d:\test\ss.sql
×¢Ò⣺
A¡¢Èç¹ûÔÚsql½Å±¾ÎļþÖÐʹÓÃÁËuse Êý¾Ý¿â£¬Ôò-DÊý¾Ý¿âÑ¡Ïî¿ÉÒÔºöÂÔ
B¡¢Èç¹û¡¾MysqlµÄbinĿ¼¡¿Öаüº¬¿Õ¸ñ£¬ÔòÐèҪʹÓÓ”°üº¬£¬È磺“C:\Program Files\mysql\bin\mysql” –uÓû§Ãû –pÃÜÂë –DÊý¾Ý¿â<¡¾sql½Å±¾Îļþ·¾¶È«Ãû¡¿
·½·¨¶þ ½øÈëmysqlµÄ¿ØÖÆÌ¨ºó£¬Ê¹ÓÃsourceÃüÁîÖ´ÐÐ
Mysql>source ¡¾sql½Å±¾ÎļþµÄ·¾¶È«Ãû¡¿
ת×Ô£ºhttp://hi.baidu.com/tangmingjie85/blog/item/01670d0395159c0c1c95834e.html


Ïà¹ØÎĵµ£º

SQLÖеÄLIKEÓï¾äµÄÓ÷¨

ÔÚSQL½á¹¹»¯²éѯÓïÑÔÖУ¬LIKEÓï¾äÓÐ×ÅÖÁ¹ØÖØÒªµÄ×÷Óá£
¡¡¡¡LIKEÓï¾äµÄÓï·¨¸ñʽÊÇ£ºselect * from ±íÃû where ×Ö¶ÎÃû like ¶ÔÓ¦Öµ£¨×Ó´®£©£¬ËüÖ÷ÒªÊÇÕë¶Ô×Ö·ûÐÍ×ֶεģ¬ËüµÄ×÷ÓÃÊÇÔÚÒ»¸ö×Ö·ûÐÍ×Ö¶ÎÁÐÖмìË÷°üº¬¶ÔÓ¦×Ó´®µÄ¡£
¡¡¡¡¼ÙÉèÓÐÒ»¸öÊý¾Ý¿âÖÐÓиö±ítable1£¬ÔÚtable1ÖÐÓÐÁ½¸ö×ֶΣ¬·Ö±ðÊÇnameºÍsex¶þÕßÈ«ÊÇ×Ö·ûÐÍÊý¾ ......

sys.columns £¨SQL Server 2005 £©

Ϊ°üº¬ÁеĶÔÏó£¨ÈçÊÓͼ»ò±í£©µÄÿÁзµ»ØÒ»ÐС£ÏÂÃæÊǰüº¬ÁеĶÔÏóÀàÐ͵ÄÁÐ±í¡£
±íÖµ³ÌÐò¼¯º¯Êý (FT)
ÄÚÁª±íÖµ SQL º¯Êý (IF)
ÄÚ²¿±í (IT)
ϵͳ±í (S)
±íÖµ SQL º¯Êý (TF)
Óû§±í (U)
ÊÓͼ (V)
ÁÐÃû Êý¾ÝÀàÐÍ ËµÃ÷
object_id
int
´ËÁÐËùÊô¶ÔÏóµÄ ID¡£
name
sysname
ÁÐÃû¡£ÔÚ¶ÔÏóÖÐÊÇΨһµÄ¡£
column_id
in ......

sys.identity_columns (sql server 2005)

sys.identity_columns
ÓÃ×÷±êʶÁеÄÿÁж¼ÔÚ±íÖÐÕ¼Ò»ÐС£
ÁÐÃû Êý¾ÝÀàÐÍ ËµÃ÷
<´Ó sys.columns ¼Ì³ÐµÄÁÐ>
ÓйشËÊÓͼËù¼Ì³ÐÁеÄÁÐ±í£¬Çë²ÎÔÄ sys.columns
seed_value
sql_variant
¸Ã±êʶÁеÄÖÖ×ÓÖµ¡£ÖÖ×ÓÖµµÄÊý¾ÝÀàÐÍÓëÁб¾ÉíµÄÊý¾ÝÀàÐÍÏàͬ¡£
increment_value
sql_variant
¸Ã±êʶÁеÄÔöÁ¿Öµ¡£ÖÖ×ÓÖµµÄÊ ......

SQL²Ù×÷

QL·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 database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡¢ ......

SQL²Ù×÷2

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&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ