中国 Oracle 用户组-All China Oracle User Group
Recovery for Oracle - Emergency Oracle Data Rescue
data (5130) mysql (4302) recovery (3926) oracle (1355) dul (10) proxysql (1) oneproxy (1) maxscale (1) sysbench (1) sqluldr2 (1)
Oracle DUL is the last sulution for recovery when no other method left, for example when no backup and system tablespace data file is corrupted. It's an Oracle internal use only utility which could direct read rows from data file without Oracle environment. However it's very hard to get a legal copy of this utility and you may not be able to afford the expencive cost of asking Oracle DUL recovery service. Then I decide to write a another tool to implement almost the same feature. What could be recovered fro
Oracle versions from 8 to 21c (including 8i / 9i / 10g / 11g / 12c / 19c) are all supported, BLOB/CLOB data types are also supproted. Download windows edition , read the user guide , have it for fun.
With read view optimization, trx_sys mutex sharding, lock_sys mutex sharding, dynamic thread pool and slave IO / SQL threads optimization for better read / write performance, lock optimized Adaptive Hash Index (AHI) for cluster key access, optimized buffer pool LRU and dirty page flush policy, Faster DDL to remove the whole buffer pool scan during the DDL operation, optimized transaction history purge policy to minimize the undo tablespace space usage, optimized for multiple pages asynchronous IO requests f
中国 Oracle 用户组-All China Oracle User Group
Recovery for Oracle - Emergency Oracle Data Rescue