oracle н¨Óû§¡¢±í¿Õ¼ä¡¢ÊÚȨ
1£®½¨±í¿Õ¼ä
create tablespace OSDB datafile 'F:\oracle\oradata\glsqjz\OSDB.ora' size 100m reuse default storage(initial 500k next 500k pctincrease 20);
2£®½¨Óû§
create user OSUSER identified by OSUSER;//identified by ºóÃæµÄÊÇÃÜÂë£¬Ç°ÃæµÄÊÇÓû§Ãû
3£®Óû§ÊÚȨ
grant resource,connect,RECOVERY_CATALOG_OWNER to OSUSER ;
grant create table to OSUSER ;
alter user OSUSER quota unlimited ON OSDB;
alter user OSUSER default tablespace OSDB;
4£®É¾³ý±í¿Õ¼ä
DROP TABLESPACE TableSpaceName INCLUDING CONTENTS AND DATAFILES;
5£®É¾³ýÓû§
DROP USER User_Name CASCADE
6£®É¾³ý±íµÄ×¢ÒâÊÂÏî
ÔÚɾ³ýÒ»¸ö±íÖеÄÈ«²¿Êý¾Ýʱ£¬ÐëʹÓÃTRUNCATE TABLE ±íÃû;ÒòΪÓÃDROP TABLE£¬DELETE * from ±íÃûʱ£¬TABLESPACE±í¿Õ¼ä¸Ã±íµÄÕ¼Óÿռ䲢δÊÍ·Å£¬·´¸´¼¸´ÎDROP£¬DELETE²Ù×÷ºó£¬¸ÃTABLESPACEÉϰÙÕ׵Ŀռä¾Í±»ºÄ¹âÁË¡£
Ïà¹ØÎĵµ£º
1¡¢ Í£Ö¹oracleËùÓеķþÎñ£¨¿ªÊ¼--ÔËÐÐ--ÊäÈëservices.msc£©
2¡¢ ɾ³ý×¢²á±íÉϵÄORACLEµÄÓйؼüÖµ(¿ªÊ¼-->ÔËÐÐ-->ÊäÈëregedit£©½«HKEY_LOACAL_MACHINE/SOFTWAREϵÄÖ÷¼üORACLEÈ«²¿É¾³ý¡£
3. ÏÂÃæÉ¾³ýOracle·þÎñ£º½øÈëHKEY_LOACAL_MACHINE/SYSTEMÖ÷¼üÏ£¬ÔÚControlSet001¡¢ControlSet002¡¢CurrentControlSet--> ......
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 ......
80¡£LAST
¹¦ÄÜÃèÊö£º´ÓDENSE_RANK·µ»ØµÄ¼¯ºÏÖÐÈ¡³öÅÅÔÚ×îºóÃæµÄÒ»¸öÖµµÄÐУ¨¿ÉÄܶàÐУ¬ÒòΪֵ¿ÉÄÜÏàµÈ£©£¬Òò´ËÍêÕûµÄÓï·¨ÐèÒªÔÚ¿ªÊ¼´¦¼ÓÉÏÒ»¸ö¼¯ºÏº¯ÊýÒÔ´ÓÖÐÈ¡³ö¼Ç¼
SAMPLE£ºÏÂÃæÀý×ÓÖÐDENSE_RANK°´²¿ÃÅ·ÖÇø£¬ÔÙ°´Ó¶½ðcommission_pctÅÅÐò£¬FIRSTÈ¡³öÓ¶½ð×îµÍµÄ¶ÔÓ¦µÄËùÓÐÐУ¬È»ºóÇ°ÃæµÄMAXº¯Êý´ÓÕâ¸ö¼¯ºÏÖÐÈ¡³öнˮ×îµ ......
CREATE OR REPLACE TYPE ty_str_array IS TABLE OF VARCHAR2 (4000);
CREATE OR REPLACE FUNCTION fn_split (p_str IN VARCHAR2, p_delimiter IN VARCHAR2)
RETURN ty_str_split
IS
j INT := 0;
i INT := 1;
len INT := 0;
&nbs ......
OracleÖÐDecode()º¯ÊýʹÓü¼ÇÉ
¡¡¡¡decode()º¯ÊýÊÇORACLE PL/SQLÊǹ¦ÄÜÇ¿´óµÄº¯ÊýÖ®Ò»£¬Ä¿Ç°»¹Ö»ÓÐORACLE¹«Ë¾µÄSQLÌṩÁ˴˺¯Êý£¬ÆäËûÊý¾Ý¿â³§É̵ÄSQLʵÏÖ»¹Ã»Óд˹¦ÄÜ¡£
DECODEº¯ÊýÊÇORACLE PL/SQLÊǹ¦ÄÜÇ¿´óµÄº¯ÊýÖ®Ò»£¬Ä¿Ç°»¹Ö»ÓÐORACLE¹«Ë¾µÄSQLÌṩÁ˴˺¯Êý£¬ÆäËûÊý¾Ý¿â³§É̵ÄSQLÊµÏ ......