ORACLE ÓαêµÄʹÓÃ
declare cursor myCursor is select * from ±íÃû;
myRow myCursor%rowtype;
begin
open myCursor;
loop
fetch myCursor into myRow;
exit when myCursor%notfound;
--ÒªÖ´ÐеÄSQLÓï¾ä
end loop;
end;
Ïà¹ØÎĵµ£º
ORACLE±¸·Ý²ßÂÔ(ORACLE BACKUP STRATEGY)
2007Äê11ÔÂ02ÈÕ ÐÇÆÚÎå 16:03
¸ÅÒª
1¡¢Á˽âʲôÊDZ¸·Ý
2¡¢Á˽ⱸ·ÝµÄÖØÒªÐÔ
3¡¢Àí½âÊý¾Ý¿âµÄÁ½ÖÖÔËÐз½Ê½
4¡¢Àí½â²»Í¬µÄ±¸·Ý·½Ê½¼°ÆäÇø±ð
5¡¢Á˽âÕýÈ·µÄ±¸·Ý²ßÂÔ¼°ÆäºÃ´¦
Ò»¡¢Á˽ⱸ·ÝµÄÖØÒªÐÔ
¿ÉÒÔ˵£¬´Ó¼ÆËã»úϵͳ³öÊÀµÄÄÇÌìÆð£¬¾ÍÓÐÁ˱¸·ÝÕâ¸ö¸ÅÄ ......
oracle Êý¾Ý¿âÁ¬½Ó¾ÍÏñÄãÔÚ³ÌÐòÖн¨Á¢Ò»¸öµ½Êý¾Ý¿âµÄÁ¬½ÓÒ»Ñù¡£
Èç¹ûÊý¾Ý¿â²»ÔÚ±¾µØÖ÷»ú,±ØÐëÔÚ$ORACLE_HOME/network/admin/tnsnames.oraÖÐÅäÖÃÏàÓ¦µÄtns£¬È»ºó³ÌÐò²ÅÄÜͨ¹ýÅäÖúõÄtns·ÃÎÊÊý¾Ý¿â£¬µ«ÊÇjavaͨ¹ýthin·½Ê½·ÃÎÊoracleÀýÍ⣬¿ÉÒÔ²ÉÓÃÔÚ±¾µØÅäÖúõÄtns±ðÃû£¬Ò²¿ÉÒÔ²ÉÓÃtnsÈ«½âÎöÃû£¬²ÉÓñðÃûµÈºÅºóµÄÈ« ......
String sql = "select t.FILE_INFO from T_FILE_DB_DETAIL t where t.id= "
+ fileDBUpDownDetail.getId() + " for update";
rs = stmt.executeQuery(sql);
if (rs.next()) {
// ÔÚweblogicϲ¿Êðʱ£¬ÐèÒª¸ü¸ÄΪBea We ......
Ê×ÏÈ£¬ÎÒÃÇҪȷ¶¨Êý¾Ý¿âÔËÐÐÔÚºÎÖÖÓÅ»¯Ä£Ê½Ï£¬ÏàÓ¦µÄ²ÎÊýÊÇ£ºoptimizer_mode¡£¿ÉÔÚsvrmgrlÖÐÔËÐГshow parameter optimizer_mode"À´²é¿´¡£ORACLE V7ÒÔÀ´È±Ê¡µÄÉèÖÃÓ¦ÊÇ"choose"£¬¼´Èç¹û¶ÔÒÑ·ÖÎöµÄ±í²éѯµÄ»°Ñ¡ÔñCBO£¬·ñÔòÑ¡ÔñRBO¡£Èç¹û¸Ã²ÎÊýÉèΪ“rule”£¬Ôò²»ÂÛ±íÊÇ·ñ·ÖÎö¹ý£¬Ò»¸ÅÑ¡ÓÃRBO£¬³ý·ÇÔÚÓï¾äÖÐ ......
¸ù¾Ý±í½á¹¹Éú³ÉJavaÎļþµÄ¹¤¾ß£¬ÔÚÈ¡µÃ±íµÄ×Ö¶ÎʱÈçºÎÈ¡µÃ±íµÄ¸÷ÖÖÐÅÏ¢ºÍ×¢ÊÍ£¬¾¶à·½ËÑѰÕÒµ½ÈçÏÂ×ÊÁϱ¸Ó㺠oracle£º
user_tab_comments;±í×¢ÊÍ
user_col_comments;±í×Ö¶Î×¢ÊÍ
Ò ......