ORACLEÈ«±¸·ÝºÍ0¼¶ÔöÁ¿±¸·ÝµÄÇø±ð
±È½Ï¹Ù·½µÄ˵·¨
Full
A backup of a datafile that includes every allocated block in the file being backed up. A full backup of a datafile can be an image copy, in which case every data block is backed up. It can also be stored in a backup set, in which case datafile blocks not in use may be skipped, according to rules in Oracle Database Backup and Recovery Reference.
A full backup cannot be part of an incremental backup strategy; that is, it cannot be the parent for a subsequent incremental backup.
Incremental
An incremental backup is either a level 0 backup, which includes every block in the file except blocks compressed out because they have never been used, or a level 1 backup, which includes only those blocks that have been changed since the parent backup was taken.
A level 0 incremental backup is physically identical to a full backup. The only difference is that the level 0 backup is recorded as an incremental backup in the RMAN repository, so it can be used as the parent for a level 1 backup.
ÍøÉÏËѵ½µÄÖ»ÑÔƬÓï
The only difference between a level 0 backup and a full backup is that a full backup is never included in an incremental strategy. If no level 0 backup exists when you run a level 1 or higher backup, RMAN makes a level 0 backup automatically to serve as the base.
ÔöÁ¿±¸·Ý0¼¶ÓëÈ«±¸·Ý¶¼ÊÇÈ«±¸·Ý,µ«ÊÇÔöÁ¿±¸·Ý0¼¶Ê¹ÓÃrman±¸·ÝµÄ»°¾ÍÖ»±¸·ÝÁËused block,¶øÈ«±¸·Ý±¸·ÝÁËused and unused block
×ܽáÒ»ÏÂ,¶þÕßÓÐÁ½¸öµØ·½²»Í¬
1
È«±¸·Ý²»Äܱ»ÓÃ×÷1¼¶ÔöÁ¿±¸·ÝµÄ»ù´¡
2
ʹÓÃrman±¸·ÝµÄʱºò,È«±¸·Ý±¸·ÝÁËused and unused block,0¼¶Ê¹ÓÃrman±¸·ÝµÄ»°¾ÍÖ»±¸·ÝÁËused block
Ïà¹ØÎĵµ£º
ËäȻѧϰJavaºÜ¾ÃÁË£¬×Ô¼ºÒ²Á¬½Ó¹ýһЩÊý¾Ý¿â£¬±ÈÈçmysqlÖ®ÀàµÄ£¬Èç½ñÄØ£¬Ò²Ñ§Ï°ÁËÒ»¶Îʱ¼äµÄOracle£¬È»¶øÄØ£¬½ñÌìÊÇÎÒµÚÒ»´ÎÁ¬½ÓOracle£¬ºÙºÙ£¬Ó¦¸Ã»¹²»ËãÌ«³Ù°É¡£
½ñÌìÄØ£¬Óе㱿׾£¬´ó¼ÒĪЦ£¡
ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
Ê×ÏÈ£¬Ô ......
ÉÏƪ½éÉÜÁ˾²Ä¬°²×°Êý¾Ý¿âÈí¼þ£¬ÏÂÃæ½éÉܾ²Ä¬´´½¨Êý¾Ý¿âµÄ·½·¨¡£
1. ÓÃDBCA¸ù¾ÝÖÖ×ÓÊý¾Ý¿â´´½¨Ò»¸öÄ£°å
£¨ÖÖ×ÓÊý¾Ý¿â¾ÍÊÇÔ´Êý¾Ý¿â£¬Èç¹ûûÓÐÔ´Êý¾Ý¿â£¬¿ÉÒÔÓÃDBCA´´½¨Ò»¸öеÄÄ£°æ»ò±à¼ÔÓеÄÄ£°æ£©
2. ½«Oracle DB°²×°ÅÌÀïÃæresponseĿ¼ÏµÄdbca.rsp¿½±´µ½±¾»úÉÏ
3. ÐÞ¸Ädbca.rspÎļþ£¬½«Ä£°åÃûºÍDBÃûÌí¼Ó½øÈ¥
GDB ......
ÎÒÏÈÅ×שÒýÓñ:
1. ¿ª·¢ÐÔ: SQLSERVER²»ÄÜ,ORACLEÄÜ×°ÔÚUNIXÉÏ
2. ·ÖÇø±í: SQLSERVER²»Ä ......
sysdate+(5/24/60/60) ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5Ãë
sysdate+5/24/60 ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5·ÖÖÓ
sysdate+5/24 ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5Сʱ
sysdate+5 ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5Ìì
add_months(sysdate,-5) ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5ÔÂ
add_months(sysdate,-5*12) ÔÚϵͳʱ¼ä»ù´¡ÉÏÑÓ³Ù5Äê
ÉÏÔÂÄ©µÄÈÕÆÚ£ºselect last_day(add_mon ......
Ò»:oracle°æ±¾½éÉÜ:
oracle8
oracle8i ±íʾ´Ëʱoracle¹«Ë¾½ø¾ü»¥ÁªÍø,i´ú±íInternet
oracle9iºÍoracle8iÀàËÆ
oracle10g°üÀ¨ÏÖÔÚµÄ11gʹÓÃÁËÍø¸ñ¼ÆËã,g´ú±ígrid.
¶þ:oracle10g·þÎñ½éÉÜ:
OracleDBConsoleorcl Õâ¸öÊDzÉÓÃä¯ÀÀÆ÷ʹÓõÄoracleÆóÒµ¹ÜÀíÆ÷ (Ò²¾ÍÊÇÄã°²×°µ¯³öµÄÄǸöÍøÒ³)
OracleOraDb10g_home1iSQ ......