Çë½ÌoracleÖд洢¹ý³Ì - Oracle / ¿ª·¢
ÎÒÏëÇëÎÊһϠÎÒÏÖÔÚÐèҪдһ¸ö´æ´¢¹ý³Ì ÓÃÓÚÅжÏÒ»¸öÔÂÓм¸ÖÜ ÀýÈç(201004Ô¾ÍÓÐ5ÖÜ 20100401-20100402 20100405-20100409 20100412-20100416 20100419-20100423 20100426-20100430)
ÎÒÏÖÔÚÓбíÈçÏ£º
create table test(
Id number not null, --ID
weedNo number not null, --Öܺţ¨1£¬2£¬3£©
beginDay varchar(20) not null,--¿ªÊ¼Ê±¼ä
endDay varchar(20) not null, --½áÊøÊ±¼ä
)
ÎÒÏÖÔÚÐèҪдһ¸ö´æ´¢¹ý³Ì ÊäÈëÒ»¸öÄê·ÝºÍÔ·ݾ͵÷Óô˴洢¹ý³Ì ÔÚÊý¾Ý¿âÖÐÌí¼Ó¶àÌõ¼Ç¼
Çë½Ì¸ßÊÖ ¶àл£¡£¡
SQL code:
select
trunc(next_day(sysdate,1),'mm') µÚÒ»ÖÜ¿ªÊ¼,
trunc(next_day(sysdate,1),'dd') µÚÒ»ÖܽáÊø,
trunc(next_day(sysdate,1),'dd')+1 µÚ¶þÖÜ¿ªÊ¼,
trunc(next_day(sysdate,1)+7) µÚ¶þÖܽáÊø
from dual;
½á¹û:
µÚÒ»ÖÜ¿ªÊ¼ µÚÒ»ÖܽáÊø µÚ¶þÖÜ¿ªÊ¼ µÚ¶þÖܽáÊø
2010-05-01 2010-05-02 2010-05-03 2010-05-09
SQL code:
SQL> select week_of_year + 1 - min(week_of_year) over() week_no_of_month,
2 first_day_of_week,
3 last_day_of_week
4 from (
5 select min(the_day) first_day_of_week,
6 max(the_day) last_day_of_week,
7 to_char(the_day, 'I
Ïà¹ØÎÊ´ð£º
exp user/password@dbname file=c:\table.dmp tables=jbitaku,jbitakum grants=y
È»áá°´»Ø車鍵 說Ã÷:¡¡ user/password@dbname ¡¡·Ö別±íʾÓÃ戶Ãû£¬ÃÜ碼ºÍ·þ務Ãû f ......
ÎÒÔÚ¿ª·¢µÄÕâ¸öÓ¦Óò¢·¢ÐԱȽϸߣ¬oracle¸üÐÂÊý¾ÝʱºòÈçºÎ´¦Àí²¢·¢´¦ÀíÄØ£¿¸÷λ´óÏÀ·¢±íºÃµÄ¹Ûµã°¡£¬ÔÚÏߵȴý£¡
oracleÊý¾Ý¸üÐÂʱ£¬»á×Ô¶¯Ä¬ÈÏÐÐËø¶¨£¬Â¥Ö÷²»Òª²ÙÐÄ£¬Oracle¶Ô²¢Ðд¦ÀíÒѾºÜ³ÉÊìÁË
ÒýÓÃ
oracle ......
ÓÃPL/SQL µÇ½ʱµ¯³ö±¨´í´°¿Ú£¬´íÎóÈçÏ£¡
ORA-01034:ORACLE not available
ORA-27101:shared memory realm does not exist
ÇëÎÊ£¬ÓÐûÓÐÈËÓöµ½ÕâÖÖÇé¿ö£¬Ôõô½â¾ö£¿Ð»Ð»£¡
1. Oracle sid ÕýÈ ......
¼ÙÉètable01 ÖÐÓÐ ÒÔÏÂ×ÊÁÏ
emp_no emp_name
------- ------------
0001 TOM
0002 JOHN
0003 MARY
³£Óõ绰
¶øÎÒÃÇÒªµÃµ½ÒÔϵÄOUTPUT (»òÊǸ÷ÖÖÆäËûµÄoutput)
0001,TOM
0002,JOHN
......
ÔÚÁ¬½ÓÊý¾ÝԴʱ£¬Êý¾ÝÁ¬½ÓÊôÐÔÖÐÑ¡Ôñoracle provider for ole db
µ¥»÷ÏÂÒ»²½Ê±±¨´í ¡°Ìṩ³ÌÐò²»ÔÙ¿ÉÓã¬ÇëÈ·¶¨Ìṩ³ÌÐò±»ÕýÈ·°²×°¡£¡±
ÎÒÓõÄÊÇoracle 8£¬ÏÈǰÓõÄ10gÒ²Óöµ½ÀàËÆµÄÎÊÌâ
ʹÓÃmicrosoft ole db pro ......