Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc: ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] [/dev/rrlv_20g_data18]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (65, 12) on object 2854119.
Tue Jan 20 16:23:22 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [112]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [112] [/dev/rrlv_20g_data16]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (87, 27) on object 3036334.
Tue Jan 20 16:23:23 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] [/dev/rrlv_20g_data18]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (65, 12) on object 2854119.
Tue Jan 20 16:23:24 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [112]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [112] [/dev/rrlv_20g_data16]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (87, 27) on object 3036334.
Tue Jan 20 16:23:25 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] [/dev/rrlv_20g_data18]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (65, 12) on object 2854119.
Tue Jan 20 16:23:26 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [112]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [112] [/dev/rrlv_20g_data16]
Tue Jan 20 16:23:27 BEIST 2015
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (87, 27) on object 3036334.
Tue Jan 20 16:23:27 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] [/dev/rrlv_20g_data18]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (65, 12) on object 2854119.
Tue Jan 20 16:23:28 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [112]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [112] [/dev/rrlv_20g_data16]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (87, 27) on object 3036334.
Tue Jan 20 16:23:30 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [113]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [113] [/dev/rrlv_20g_data18]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (65, 12) on object 2854119.
Tue Jan 20 16:23:31 BEIST 2015
Errors in file /ora10g/admin/dqb/bdump/dqb1_smon_185150.trc:
ORA-00376: Message 376 not found; No message file for product=RDBMS, facility=ORA; arguments: [112]
ORA-01110: Message 1110 not found; No message file for product=RDBMS, facility=ORA; arguments: [112] [/dev/rrlv_20g_data16]
ORACLE Instance dqb1 (pid = 17) - Error 376 encountered while recovering transaction (87, 27) on object 3036334.
上述错误信息一直在后台报错,查询部分表报错,查询数据库的数据文件状态很多是offline状态。
SQL> select name ,status from v$datafile where status'ONLINE';
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrac_system_1g
SYSTEM
/dev/rrlv_20g_data01
OFFLINE
/dev/rrlv_20g_data03
OFFLINE
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data04
OFFLINE
/dev/rrlv_20g_data05
OFFLINE
/dev/rrlv_20g_data06
OFFLINE
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data07
OFFLINE
/dev/rrlv_20g_data09
OFFLINE
/dev/rrlv_20g_data10
OFFLINE
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data11
OFFLINE
/dev/rrlv_20g_data12
OFFLINE
/dev/rrlv_20g_data13
OFFLINE
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data14
OFFLINE
/dev/rrac_20g20
SYSTEM
/dev/rrac_20g21
SYSTEM
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data15
OFFLINE
/dev/rrlv_20g_data17
OFFLINE
/dev/rrlv_20g_data16
OFFLINE
NAME
--------------------------------------------------------------------------------
STATUS
-------
/dev/rrlv_20g_data18
OFFLINE
19 rows selected.
仔细查看数据库日志发现,在1月12日做了表空间增加数据文件操作。
查看两个节点的数据文件权限
两个节点的裸设备都是这个样子
brw-rw---- 1 root system 83, 1 Feb 20 2014 /dev/rlv_20g_data01
brw-rw---- 1 root system 83, 2 Feb 20 2014 /dev/rlv_20g_data02
brw-rw---- 1 root system 83, 3 Feb 20 2014 /dev/rlv_20g_data03
brw-rw---- 1 root system 83, 4 Feb 20 2014 /dev/rlv_20g_data04
brw-rw---- 1 root system 83, 5 Feb 20 2014 /dev/rlv_20g_data05
brw-rw---- 1 root system 83, 6 Feb 20 2014 /dev/rlv_20g_data06
brw-rw---- 1 root system 83, 7 Feb 20 2014 /dev/rlv_20g_data07
brw-rw---- 1 root system 83, 8 Feb 20 2014 /dev/rlv_20g_data08
brw-rw---- 1 root system 83, 9 Feb 20 2014 /dev/rlv_20g_data09
brw-rw---- 1 root system 83, 10 Feb 20 2014 /dev/rlv_20g_data10
brw-rw---- 1 root system 83, 11 Feb 20 2014 /dev/rlv_20g_data11
brw-rw---- 1 root system 83, 12 Feb 20 2014 /dev/rlv_20g_data12
brw-rw---- 1 root system 83, 13 Feb 20 2014 /dev/rlv_20g_data13
brw-rw---- 1 root system 83, 14 Feb 20 2014 /dev/rlv_20g_data14
brw-rw---- 1 root system 83, 15 Feb 20 2014 /dev/rlv_20g_data15
brw-rw---- 1 root system 83, 16 Feb 20 2014 /dev/rlv_20g_data16
brw-rw---- 1 root system 83, 17 Feb 20 2014 /dev/rlv_20g_data17
brw-rw---- 1 root system 83, 18 Feb 20 2014 /dev/rlv_20g_data18
brw-rw---- 1 root system 83, 19 Feb 20 2014 /dev/rlv_20g_data19
brw-rw---- 1 root system 83, 20 Feb 20 2014 /dev/rlv_20g_data20
正确是以下:
crw-rw---- 1 ora10g dba 83, 1 Jan 20 08:19 /dev/rrlv_20g_data01
crw-rw---- 1 ora10g dba 83, 2 Jan 20 20:28 /dev/rrlv_20g_data02
crw-rw---- 1 ora10g dba 83, 3 Jan 20 08:19 /dev/rrlv_20g_data03
crw-rw---- 1 ora10g dba 83, 4 Jan 20 08:19 /dev/rrlv_20g_data04
crw-rw---- 1 ora10g dba 83, 5 Jan 20 08:19 /dev/rrlv_20g_data05
crw-rw---- 1 ora10g dba 83, 6 Jan 20 08:19 /dev/rrlv_20g_data06
crw-rw---- 1 ora10g dba 83, 7 Jan 20 08:19 /dev/rrlv_20g_data07
crw-rw---- 1 ora10g dba 83, 8 Jan 20 20:28 /dev/rrlv_20g_data08
crw-rw---- 1 ora10g dba 83, 9 Jan 20 08:19 /dev/rrlv_20g_data09
crw-rw---- 1 ora10g dba 83, 10 Jan 20 08:19 /dev/rrlv_20g_data10
crw-rw---- 1 ora10g dba 83, 11 Jan 20 08:19 /dev/rrlv_20g_data11
crw-rw---- 1 ora10g dba 83, 12 Jan 20 08:19 /dev/rrlv_20g_data12
crw-rw---- 1 ora10g dba 83, 13 Jan 20 08:19 /dev/rrlv_20g_data13
crw-rw---- 1 ora10g dba 83, 14 Jan 20 08:19 /dev/rrlv_20g_data14
crw-rw---- 1 ora10g dba 83, 15 Jan 20 08:19 /dev/rrlv_20g_data15
crw-rw---- 1 ora10g dba 83, 16 Jan 20 08:19 /dev/rrlv_20g_data16
crw-rw---- 1 ora10g dba 83, 17 Jan 20 08:19 /dev/rrlv_20g_data17
crw-rw---- 1 ora10g dba 83, 18 Jan 20 08:19 /dev/rrlv_20g_data18
crw-rw---- 1 ora10g dba 83, 19 Jan 20 20:28 /dev/rrlv_20g_data19
crw-rw---- 1 ora10g dba 83, 20 Jan 20 20:28 /dev/rrlv_20g_data20
这样子问题就清楚了,执行权限修改,后执行数据文件恢复
1、chown -R oracle;dba /dev/rrlv_20g_data*
2、停掉两个节点的数据库,启动第一个节点到mount,执行recover操作
[BEGIN] 2015-1-21 10:43:09
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 14;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 17;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 18;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 19;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 21;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 22;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 23;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 26;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 29;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 55;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 103;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 104;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> RECOVER datafile 112;
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:33 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92772_727466139.dbf
ORA-00280: change 14242805827356 for thread 2 is in sequence #92772
Specify log: {
auto
ORA-00279: change 14242805827356 generated at 01/20/2015 08:19:29 needed for
thread 1
ORA-00289: suggestion : +ARCH/archive/arch1/arch1_30832_727466139.dbf
ORA-00280: change 14242805827356 for thread 1 is in sequence #30832
ORA-00279: change 14242883477423 generated at 01/20/2015 08:23:26 needed for
thread 2
ORA-00289: suggestion : +ARCH/archive/arch1/arch2_92773_727466139.dbf
ORA-00280: change 14242883477423 for thread 2 is in sequence #92773
ORA-00278: log file '+ARCH/archive/arch1/arch2_92772_727466139.dbf' no longer
needed for this recovery
Log applied.
Media recovery complete.
SQL> alter database open;
最后成功执行。

MySQL適合初學者學習數據庫技能。 1.安裝MySQL服務器和客戶端工具。 2.理解基本SQL查詢,如SELECT。 3.掌握數據操作:創建表、插入、更新、刪除數據。 4.學習高級技巧:子查詢和窗口函數。 5.調試和優化:檢查語法、使用索引、避免SELECT*,並使用LIMIT。

MySQL通過表結構和SQL查詢高效管理結構化數據,並通過外鍵實現表間關係。 1.創建表時定義數據格式和類型。 2.使用外鍵建立表間關係。 3.通過索引和查詢優化提高性能。 4.定期備份和監控數據庫確保數據安全和性能優化。

MySQL是一個開源的關係型數據庫管理系統,廣泛應用於Web開發。它的關鍵特性包括:1.支持多種存儲引擎,如InnoDB和MyISAM,適用於不同場景;2.提供主從復制功能,利於負載均衡和數據備份;3.通過查詢優化和索引使用提高查詢效率。

SQL用於與MySQL數據庫交互,實現數據的增、刪、改、查及數據庫設計。 1)SQL通過SELECT、INSERT、UPDATE、DELETE語句進行數據操作;2)使用CREATE、ALTER、DROP語句進行數據庫設計和管理;3)複雜查詢和數據分析通過SQL實現,提升業務決策效率。

MySQL的基本操作包括創建數據庫、表格,及使用SQL進行數據的CRUD操作。 1.創建數據庫:CREATEDATABASEmy_first_db;2.創建表格:CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY,titleVARCHAR(100)NOTNULL,authorVARCHAR(100)NOTNULL,published_yearINT);3.插入數據:INSERTINTObooks(title,author,published_year)VA

MySQL在Web應用中的主要作用是存儲和管理數據。 1.MySQL高效處理用戶信息、產品目錄和交易記錄等數據。 2.通過SQL查詢,開發者能從數據庫提取信息生成動態內容。 3.MySQL基於客戶端-服務器模型工作,確保查詢速度可接受。

構建MySQL數據庫的步驟包括:1.創建數據庫和表,2.插入數據,3.進行查詢。首先,使用CREATEDATABASE和CREATETABLE語句創建數據庫和表,然後用INSERTINTO語句插入數據,最後用SELECT語句查詢數據。

MySQL適合初學者,因為它易用且功能強大。 1.MySQL是關係型數據庫,使用SQL進行CRUD操作。 2.安裝簡單,需配置root用戶密碼。 3.使用INSERT、UPDATE、DELETE、SELECT進行數據操作。 4.複雜查詢可使用ORDERBY、WHERE和JOIN。 5.調試需檢查語法,使用EXPLAIN分析查詢。 6.優化建議包括使用索引、選擇合適數據類型和良好編程習慣。


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