oracleÒì¹¹¡¢Í¬¹¹Êý¾Ý¿âÖ®¼äµÄͬ²½×ÊÁÏ£¨²Î¿¼£©
1)SQL ServerÁ´½Ó·þÎñÆ÷ Linked Server·½Ê½£¨SQLServer×÷ΪԴ·þÎñÆ÷£©£º
http://www.cnblogs.com/riccc/archive/2009/07/23/sql-server-linked-server.html
2)Oracle¸ß¼¶¸´ÖÆ£¨oracleÊý¾Ý¿âÖ®¼ä¸´ÖÆ£©£º
http://www.chinaunix.net/bbsjh/8/54.html
ÆäËû¼¼Êõ·½·¨£º
snapshot
Replication
3)Oracle͸Ã÷Íø¹Ø£¨oracleºÍ²»Í¬Êý¾Ý¿âµÄÁ¬½Ó£©£º
http://www.diybl.com/course/7_databases/oracle/oraclexl/20090304/158004.html
http://wuwenbin.javaeye.com/blog/275973
http://doc.linuxpk.com/79497.html
Ïà¹ØÎĵµ£º
oracle±í¿Õ¼ä²Ù×÷Ïê½â
1
2
3×÷Õߣº À´Ô´£º ¸üÐÂÈÕÆÚ£º2006-01-04
5
6
7½¨Á¢±í¿Õ¼ä
8
9CREATE TABLESPACE data01
10DATAFILE '/ora ......
Oracle´´½¨±íʱ£¬³£Óöµ½ÏÈɾ³ýºó´´½¨µÄÇé¿ö£¬¶øËüÓÖûÓÐdrop table... if existsÓï·¨¡£Îª´Ë¿ÉÒÔʹÓÃuser_objectsÊý¾Ý×ÖµäºÍ¶¯Ì¬sqlÓï¾äʵÏÖÀàËÆµÄ¹¦ÄÜ£¬ÈçÏÂËùʾ£º
create or replace procedure proc_dropifexists(
p_table in varchar2
) is
v_count number(10);
begin
&nbs ......
СÒý
Oracle RdbmsÊ©ÓÃÁ˸÷ÖÖ²»Í¬ÀàÐ͵ÄËø¶¨»úÖÆ£¬latchµÈÓÚ´ËÖеÄÒ»ÖÖ£¬ÕýÎĽ«¼¯ÖÐÒý¼ûlatch(ãÅ)µÄ¸ÅÄ¶®µÃlatchµÄ¶ÒÏÖ²½Ö貢˵Ã÷»½ÆðlatchĦ²ÁµÄÔµ¹Ê¡£
ʲôÊÇlatch
LatchÊÇÓÃÀ´±£»¤SGAÇøÖй²ÏíÊý¾Ý½á¹¹µÄÒ»ÖÖ´®Ðл¯Ëø¶¨»úÖÆ¡£LatchµÄ¶ÒÏÖÊÇÓë²Ù×÷ϵͳÏà¸ÉµÄ£¬ÓÈÉõºÍÒ»¸ö¹ý³ÌÊDz»ÊÇØ½ÐèµÈºòÒ»¸ölatch¡¢¼±ÐèµÈº ......
1¡¢Èç¹ûÓÐÒ»¶¨µÄÊý¾Ý¿â»ù´¡£¬ÖªµÀSQLÊÇÔõô»ØÊ£¬¼´Ê¹Ð´²»³öÀ´¼òµ¥µÄSQL£¬µ«¿ÉÒÔ¿´¶¯ËüÃÇ£¬Äã¾Í¿ÉÒÔÌøµ½2¡£·ñÔòÇëÏÈ¿´Ò»ÏÂÊý¾Ý¿â»ù´¡ºÍSQLÓïÑÔ£¬²»ÐèÒªºÜÉ¸ü²»ÐèҪȥ¼ÇÒäÄÇЩ¸´ÔÓµÄSQLÃüÁÕâЩ¿ÉÒÔÁôÔÚÒÔºó±ßÓ¦Óñßѧϰ¡¢¼ÇÒä¡£
¡¡¡¡
¡¡¡¡2¡¢ÒªÏëѧºÃORACLE£¬Ê×ÏÈҪѧϰORACLEµÄÌåϵ½á¹¹£¬ÏÖÔÚÄã²»ÐèÒªÉîÈëÀ ......
The following are number examples for the to_char function.
to_char(1210.73, '9999.9')
would return '1210.7'
to_char(1210.73, '9,999.99')
would return '1,210.73'
to_char(1210.73, '$9,999.00')
would return '$1,210.73'
to_char(21, '000099')
would return '000021'
The following is a list ......