oracle¸ù¾ÝÖ÷Íâ¼ü²é±í
select a.constraint_name, a.table_name, b.constraint_name
from user_constraints a, user_constraints b
where a.constraint_type = 'R'
and b.constraint_type = 'P'
and a.r_constraint_name = b.constraint_name
P ´ú±íÖ÷¼ü
R ´ú±íÍâ¼ü
Ïà¹ØÎĵµ£º
1. ´´½¨ÆÕͨÓû§
>create user username identified by username;
>grant create tablespace, resource ,connect to username;
2. ´´½¨±í¿Õ¼äºÍÓû§
2.1 ´´½¨ÁÙʱ±í¿Õ¼ä
>create temporary tablespace DB_TEMP
tempfile '/opt/oracle/oradata/mydb/t ......
ËäÈ»ÕâÊÇÎÒÕÒµ½×îÏêϸµÄÅäÖÃÃèÊö£¬µ«Êdz¢ÊÔ»¹ÊÇûÓгɹ¦¡£
1.ÏÂÔØOracle Client Package
.
´Ó
http://www.oracle.com/technology/software/tech/oci/instantclient/htdocs/winsoft.html
ÏÂÔØ
Instant
Client Package – Basic
°ü
(
±ê×¢
:All files
required to run OCI, OCCI, and JDBC-OC ......
CUBE ºÍ ROLLUP Ö®¼äµÄÇø±ðÔÚÓÚ£º
CUBE Éú³ÉµÄ½á¹û¼¯ÏÔʾÁËËùÑ¡ÁÐÖÐÖµµÄËùÓÐ×éºÏµÄ¾ÛºÏ¡£
ROLLUP Éú³ÉµÄ½á¹û¼¯ÏÔʾÁËËùÑ¡ÁÐÖÐÖµµÄijһ²ã´Î½á¹¹µÄ¾ÛºÏ¡£
OracleµÄGROUP BYÓï¾ä³ýÁË×î»ù±¾µÄÓï·¨Í⣬»¹Ö§³ÖROLLUPºÍCUBEÓï¾ä¡£Èç¹ûÊÇROLLUP(A, B, C)µÄ»°£¬Ê×ÏÈ·Ö³ÉÁ½´ó²½£º£¨1£©¶ÔÓÚ·ûºÏÌõ¼þµÄÿ ......
OracleÓï¾äÓÅ»¯£µ£³¸ö¹æÔòÏê½â(1)
Oracle sql ÐÔÄÜÓÅ»¯µ÷Õû 1. Ñ¡ÓÃÊʺϵÄORACLEÓÅ»¯Æ÷
ORACLEµÄÓÅ»¯Æ÷¹²ÓÐ3ÖÖ£º
a. RULE £¨»ùÓÚ¹æÔò£©
b. COST £¨»ùÓڳɱ¾£©
c. CHOOSE £¨Ñ¡ÔñÐÔ£©
ÉèÖÃȱʡµÄÓÅ»¯Æ÷£¬¿ÉÒÔͨ¹ý¶ ......