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搜索关键字:mysqlbinlog flashback    ( 472个结果
一次多源数据库主从不同步的情况
背景: 主库上通过navicat导入csv文件,然后改名。导致多源数据库不同步。 报警信息: 登陆多源库查看: (猜测原因:navicat内部做了封装) 查看主库对应点的binlog: mysqlbinlog --base64-output=decode-rows -vv -d goods --st ...
分类:数据库   时间:2017-12-16 18:50:52    阅读次数:186
利用binlog回复误删表和库
利用binlog回复误删表和库查看某个binlog日志内容,常用有两种方式:1、     # /usr/local/mysql/bin/mysqlbinlog /usr/local/mysql/data/mysql-bin.0000132、      mysql> show binlog events [IN 'log_name
分类:其他好文   时间:2017-12-12 15:08:59    阅读次数:148
053-143
Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)A. Database must be running in archivelog mode.B. Automatic undo manage ...
分类:其他好文   时间:2017-11-16 15:24:09    阅读次数:144
053-648
Note the following statements that use flashback technology: 1. FLASHBACK TABLE <table> TO SCN <scn>;2. SELECT * FROM <table> AS OF SCN 123456;3. FLAS ...
分类:其他好文   时间:2017-11-16 14:07:14    阅读次数:183
053-392
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. ...
分类:其他好文   时间:2017-11-13 19:51:21    阅读次数:281
053-389
The _______ writes the Flashback Database logs in the flash recovery area.A. FLSHB. FLDBC. RVWRD. RVRWE. FBDA The Flashback Database architecture cons ...
分类:其他好文   时间:2017-11-13 18:26:29    阅读次数:155
053-386
You have just performed a FLASHBACK TABLE operation using the following command:flashback table employees to scn 123456;The employees table has trigge ...
分类:其他好文   时间:2017-11-13 16:59:13    阅读次数:186
053-378
In order to perform Flashback Transaction Query operations, which of these steps are required?(Choose all that apply.)A. Ensure that database is runni ...
分类:其他好文   时间:2017-11-13 16:44:02    阅读次数:197
053-373
Which of the following Oracle features utilize the undo tablespace? (Choose all that apply)A. Flashback QueryB. Flashback DropC. Flashback TableD. Fla ...
分类:其他好文   时间:2017-11-13 16:41:39    阅读次数:110
mysql 的binlog format格式种类及分析
一.MysqlBinlog格式介绍Mysqlbinlog日志有三种格式,分别为Statement,MiXED,以及ROW!1.Statement:每一条会修改数据的sql都会记录在binlog中。优点:不需要记录每一行的变化,减少了binlog日志量,节约了IO,提高性能。(相比row能节约多少性能与日志量,这个取决于应用的SQL..
分类:数据库   时间:2017-11-09 18:39:35    阅读次数:142
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