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ocp-293
QUESTION NO: 293 To clean up old records that are in a Flashback Data Archive and are past the retention period, what must the DBA do? A. TRUNCATE the archive table. B. DROP the Flashback Data Arc...
分类:其他好文   时间:2015-10-11 11:36:19    阅读次数:168
ocp-292
QUESTION NO: 292 When setting up the Flashback Data Archive, which of these key parameters are required? (Choose all that apply.) A. Tablespace name B. Storage quota C. Retention D. Table name E...
分类:其他好文   时间:2015-10-11 11:35:15    阅读次数:188
实验-闪回数据库
一、打开闪回数据库1、确保数据库处于归档模式,如果为非归档模式,将数据库转换成归档模式 SQL> select name,log_mode from v$database;NAME LOG_MODE --------- ------------ ORCL NOARCHIVELOG SQL> select flashback_on from v$database; FLASHBAC...
分类:数据库   时间:2015-10-08 21:39:50    阅读次数:267
ORACLE恢复删除表或表记录
一:表的恢复对误删的表,只要没有使用PURGE永久删除选项,那么从FLASHBACK TABLE区恢复回来希望是挺大的。一般步骤有:1、从FLASHBACK TABLE里查询被删除的表SELECT * FROM RECYCLEBIN ORDER BY DROPTIME DESC2.执行表的恢复 F....
分类:数据库   时间:2015-10-08 16:34:02    阅读次数:192
mysqlbinlog 查看mysql bin 日志 mysqlbinlog: unknown variable 'default-character-set=utf8'
mysqlbinlog mysql-bin.000036|less查询包含几个字段的语句:mysqlbinlog mysql-bin.000036| egrep '(2011030610002460|2011030310001730|2011030410011680|2011030410006280...
分类:数据库   时间:2015-10-05 12:49:37    阅读次数:271
ocp-101
QUESTION NO: 101 Note the output of the following query; SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve;FLASHBACK_ARCHIEVE_NAME STATUS FLA1 You executed the following comma...
分类:其他好文   时间:2015-10-05 11:43:55    阅读次数:158
ocp-66
QUESTION NO: 66 Exhibit: View the Exhibit and examine the output. You executed the following command to enable Flashback Data Archive on the EXCHANGE_RATE table: ALTER TABLE exchange_rate FLASHB...
分类:其他好文   时间:2015-10-03 06:09:30    阅读次数:178
mysqlbinlog 恢复数据的四种方法
mysqlbinlog命令作用:mysqlbinlog是用来解析mysql的binlog日志的。[root@MySQLdata]#filemysql-bin.000001mysql-bin.000001:MySQLreplicationlog[root@MySQLdata]#mysqlbinlog日志无法直接用cat查看,需要用mysqlbinlog命令转换为普通文件才能查看也只有用mysqlbinlog命令把bi..
分类:数据库   时间:2015-10-01 01:49:24    阅读次数:246
ocp-v13-067
QUESTION 67 On which two database objects can the VERSIONS clause of the Flashback Versions Query be used? (Choose two.) A. fixed tables B. heap tables C. external tables D. temporary tables E....
分类:其他好文   时间:2015-09-30 13:04:38    阅读次数:135
OCP-V13-686
You execute the following FLASHBACK TABLE command: Which two statements are correct?(Choose two.)A.The EMP table that was dropped by mistake earlier is restored.B.The FLASHBACK TABLE statement is execu...
分类:其他好文   时间:2015-09-21 17:57:05    阅读次数:141
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