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examination/topics/database/mysql-acid/meta.json
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{
"slug": "mysql-acid",
"name": "MySQL ACID 实现机制",
"description": "InnoDB 如何用日志与锁实现事务的原子性/一致性/隔离性/持久性:undo log、redo log、WAL、MVCC、锁",
"tags": [
"ACID",
"InnoDB",
"MVCC",
"WAL",
"binlog",
"innodb_flush_log_at_trx_commit",
"next-key lock",
"redo log",
"undo log",
"一致性",
"两阶段提交",
"原子性",
"崩溃恢复",
"快照读",
"性能",
"持久性",
"物理日志",
"约束",
"行锁",
"逻辑日志",
"间隙锁",
"隔离性"
],
"difficulty_range": [
2,
4
],
"schema_version": "1.0.0",
"updated": "2026-09-07",
"question_files": [
"single_choice",
"fill_blank",
"code_reading",
"short_answer"
],
"stats": {
"total": 35,
"by_type": {
"single_choice": 10,
"fill_blank": 10,
"code_reading": 5,
"short_answer": 10
}
}
}