和pt-table-checksum工具一样,pt-table-sync会将表的数据split成若干个chunk,计算的时候以chunk为单位。可以理解为将chunk内的所有行的数据拼接起来,再计算crc32的值,既可以得到该chunk的checksum值。 3.数据修复 前面两步,pt-table-sync与pt-table-checksum的算法和原理是一
Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. (jlive)[(none)]>SHOW DATABASES; +---+ | Database| +---+ | cras...
There is plenty of disc space in the backup destination. It's a 25GB database. Error message is: Backup failed for Server 'Active02'. (Microsoft.Sql|Server.SmoExtended) Additional information: System.Data.SqlClient.SqlError: Read on"E:\Class Database\Class.mdf" failed: 23(Data error (...
{ "id": "invalidPrivileges", "title": "Checks for user privileges that will be removed", "status": "OK", "description": "Verifies for users containing grants to be removed as part of the upgrade process.", "detectedProblems": [ . . "solutions": [ "If the privileges are not being...
Posted by:marc castrovinci Date: June 27, 2008 07:04AM SHOW GRANTS FOR youruser or go to the mysql database and do a select on user table. Subject Written By Posted How to check if a user exists? Shreyas Tonse June 27, 2008 05:59AM ...
Bug #3270 ALTER TABLE ... RENAME do not check rights of target table Submitted: 23 Mar 2004 7:05Modified: 26 Mar 2004 0:57 Reporter: Oleksandr Byelkin Email Updates: Status: Closed Impact on me: None Category: MySQL ServerSeverity: S2 (Serious) Version: 3.23OS: Assigned to: ...
(N) RECORDLENGTH IO 记录的长度 GRANTS 导入权限 (Y) INCTYPE 增量导入类型 INDEXES 导入索引 (Y) COMMIT 提交数组插入 (N) ROWS 导入数据行 (Y) PARFILE 参数文件名 LOG 屏幕输出的日志文件 CONSTRAINTS 导入限制 (Y) DESTROY 覆盖表空间数据文件 (N) INDEXFILE 将表/索引信息写入指定的文件 SKIP_UNUSABLE_...
Concurrent Insert in multi treaded environment to the same table concurrent inserts into the same table configure a timeout value for an inactive database connection Connect reset by SqlServer Connect to Oracle, error 7302 Connecting to SQL Server without instance name Connection closed from application...