MySQL误DROP表恢复,innodb_file_per_table=OFF

MySQL误DROP表恢复,innodb_file_per_table=OFF原文https://twindb.com/recover-after-drop-table-innodb_file_per_table-is-off/ Undrop-for-innodb安装详见https://github.com/chhabhaiya/undrop-for-innodb 介绍误操作是不可避免的.错误的DROP DATABASE或DROP TABLE会摧毁重要的数据,更悲剧的是备份又不可用.恢复方...

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MySQL误DROP表恢复,innodb_file_per_table=ON

MySQL误DROP表恢复,innodb_file_per_table=ON 参考https://twindb.com/recover-after-drop-table-innodb_file_per_table-is-on/ Undrop-for-innodb安装详见https://github.com/chhabhaiya/undrop-for-innodb 删除Country表并恢复使用sakila示例数据库作为例子,sakila相当于Oracle的SCOTTinnodb每个表包含...

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Auto_increment 产生 GAP的原因

原文http://thenoyes.com/littlenoise/?p=187 Auto_increment 产生 GAP的原因Why are there gaps in my auto_increment sequence, even if there are no deletes or rolled back transactions?Is it a bug?The manual says, “For lock modes 1 or 2, gaps may occur between...

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Innodb事务隔离级别

Innodb事务隔离级别REPEATABLE READ This is the default isolation level for InnoDB. Consistent reads within the same transaction read the snapshot established by the first read. This means that if you issue several plain (nonlocking) SELECT statements wit...

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MySQL(InnoDB)如何避免幻读

幻读Phantom Rows The so-called phantom problem occurs within a transaction when the same query produces different sets of rows at different times. For example, if a SELECT is executed twice, but returns a row the second time that was not returned th...

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