Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

¡¾×ª¡¿ ORACLE ·ÖÇø±í PARTITION table

ORACLE ·ÖÇø±í PARTITION table
http://blog.chinaunix.net/u/6889/showart_315897.html
1.1 ·ÖÇø±íPARTITION table
ÔÚORACLEÀïÈç¹ûÓöµ½Ìرð´óµÄ±í£¬¿ÉÒÔʹÓ÷ÖÇøµÄ±íÀ´¸Ä±äÆäÓ¦ÓóÌÐòµÄÐÔÄÜ¡£
1.1.1 ·ÖÇø±íµÄ½¨Á¢£º
ij¹«Ë¾µÄÿÄê²úÉú¾Þ´óµÄÏúÊۼǼ£¬DBAÏò¹«Ë¾½¨Òéÿ¼¾¶ÈµÄÊý¾Ý·ÅÔÚÒ»¸ö·ÖÇøÄÚ£¬ÒÔÏÂʾ·¶µÄÊǸù«Ë¾1999ÄêµÄÊý¾Ý(¼ÙÉèÿÔ²úÉú30MµÄÊý¾Ý)£¬²Ù×÷ÈçÏ£º
·¶Î§·ÖÇø±í£º
CREATE TABLE sales
(invoice_no NUMBER,
...
sale_date DATE NOT NULL )
PARTITION BY RANGE (sale_date)
(PARTITION sales1999_q1
VALUES LESS THAN (TO_DATE(‘1999-04-01’,’YYYY-MM-DD’)
TABLESPACE ts_sale1999q1,
PARTITION sales1999_q2
VALUES LESS THAN (TO_DATE(‘1999-07-01’,’YYYY-MM-DD’)
TABLESPACE ts_sale1999q2,
PARTITION sales1999_q3
VALUES LESS THAN (TO_DATE(‘1999-10-01’,’YYYY-MM-DD’)
TABLESPACE ts_sale1999q3,
PARTITION sales1999_q4
VALUES LESS THAN (TO_DATE(‘2000-01-01’,’YYYY-MM-DD’)
TABLESPACE ts_sale1999q4 );
--values less than (maxvalue)
Áбí·ÖÇø±í£º
create table emp (
empno number(4),
ename varchar2(30),
location varchar2(30))
partition by list (location)
(partition p1 values ('±±¾©'),
partition p2 values ('ÉϺ£','Ìì½ò','ÖØÇì'),
partition p3 values ('¹ã¶«','¸£½¨')
partition p0 values (default)
);
¹þÏ£·ÖÇø£º
create table emp (
empno number(4),
ename varchar2(30),
sal number)
partition by hash (empno)
partitions 8
store in (emp1,emp2,emp3,emp4,emp5,emp6,emp7,emp8);
×éºÏ·ÖÇø£º
·¶Î§¹þÏ£×éºÏ·ÖÇø£º
create table emp (
empno number(4),
ename varchar2(30),
hiredate date)
partition by range (hiredate)
subpartition by hash (empno)
subpartitions 2
(partition e1 values less than (to_date('20020501','YYYYMMDD')),
partition e2 values less than (to_date('20021001','YYYYMMDD')),
partition e3 values less than (maxvalue));
·¶Î§Áбí×éºÏ·ÖÇø£º
CREATE TABLE customers_part (
customer_id NUMBER(6),
cust_first_name VARCHAR2(20),
cust_last_name VARCHAR


Ïà¹ØÎĵµ£º

´«ÖDz¥¿Í——Êý¾Ý¿âÖ®ORACLE£¨Ò»£©


Ò» Oracle¹«Ë¾¼ò½é 
OracleÊÇÒóÐæ³öÍÁµÄ¼×¹ÇÎÄ(oracle bone inscriptions)µÄÓ¢ÎÄ·­ÒëµÄµÚÒ»¸öµ¥´Ê
Oracle¹«Ë¾ÊÇÈ«Çò×î´óµÄÐÅÏ¢¹ÜÀíÈí¼þ¼°·þÎñ¹©Ó¦ÉÌ£¬³ÉÁ¢ÓÚ1977Ä꣬×ܲ¿Î»ÓÚÃÀ¹ú¼ÓÖÝ Redwood shore
Oracle¹«Ë¾ÒòÆ临ÔӵĹØϵÊý¾Ý¿â²úÆ·¶øÎÅÃû¡£OracleµÄ¹ØϵÊý¾Ý¿âÊÇÊÀ½çµÚÒ»¸öÖ§³ÖSQLÓïÑÔµÄÊý¾Ý¿â
OracleÔÚ³¬¹ý ......

OracleµçÁ¦ÐÐÒµ½â¾ö·½°¸ ¸¶Ê×ê¿

ÖйúµçÁ¦ÐÐҵĿǰÕýÔÚ¾­Àúמ޴óµÄ±ä»¯£º´Ó¹ú¼Ò°ìµçµ½ÆóÒµ°ìµç£¬ÐγÉÁ˶à¼Ò¾ºÕù°ìµçµÄ¸ñ¾Ö£»³§Íø·Ö¿ª¡¢¾º¼ÛÉÏÍø£¬´Ó¼Æ»®µ½Êг¡×ª¹ì£¬ÒýÈë¶àÖÖ¾­¼Ã³É·Ö£»´ÓµØÓòÐÔ·ÖÉ¢¹©µçÏò´óµçÍø·¢Õ¹£»´ÓÕþÆó²»·Öµ½ÕþÆó·Ö¿ª¡£ÕâЩ±ä»¯£¬Ê¹ÖйúµÄµçÁ¦ÐÐÒµ¾­ÊÜ×ÅÇ°ËùδÓеÄѹÁ¦¡£
    Ò»·½Ã棬2003Äê¹úÄڵķ¢µçÆóÒµÖØиÄ×é£ ......

oracle ´æ´¢¹ý³ÌµÄ»ù±¾Óï·¨

1.»ù±¾½á¹¹
CREATE OR REPLACE PROCEDURE ´æ´¢¹ý³ÌÃû×Ö
(
    ²ÎÊý1 IN NUMBER,
    ²ÎÊý2 IN NUMBER
) IS
±äÁ¿1 INTEGER :=0;
±äÁ¿2 DATE;
BEGIN
END ´æ´¢¹ý³ÌÃû×Ö
2.SELECT INTO STATEMENT
  ½«select²éѯµÄ½á¹û´æÈëµ½±äÁ¿ÖУ¬¿ÉÒÔͬʱ½«¶à¸öÁд洢¶à¸ö±äÁ¿ÖУ¬±ØÐëÓÐÒ»Ì ......

BLOBת»»ÎªCLOBµÄº¯Êý£¨oracleÖÐÖ´ÐУ©

BLOBת»»ÎªCLOBµÄº¯Êý£¨oracleÖÐÖ´ÐУ©
CREATE OR REPLACE FUNCTION BlobToClob(blob_in IN BLOB) RETURN CLOB AS
  v_clob    CLOB;
  v_varchar VARCHAR2(32767);
  v_start  PLS_INTEGER := 1;
  v_buffer  PLS_INTEGER := 32767;
BEGIN
  DBMS_LOB.CRE ......

ORACLE 10G for RHEL AS 4 °²×°(ÍêÕû°æ)

ORACLE 10G for RHEL AS 4 °²×°
ÑéÖ¤°²×°:¼ì²éORACLEËùÐèµÄ³ÌÐòÊÇ·ñ°²×°¾ùÒÑ°²×°(»ò¸ü¸ß°æ±¾)
compat-db-4.1.25-9.i386.rpm
compat-gcc-32-3.2.3-47.3.i386.rpm
compat-gcc-32-c++-3.2.3-47.3.i386.rpm
compat-libstdc++-33-3.2.3-47.3.i386.rpm
compat-oracle-rhel4-1.0-5.i386.rpm
gcc-3.4.3-9.EL4.i386.rpm
gli ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ