6 rows in set (0.00 sec) Here record 2 and record 4 are duplicate. So run unique command as follows mysql> alter ignore table test2 add unique(id1,id2); Query OK, 6 rows affected (0.05 sec) Records: 6 Duplicates: 1 Warnings: 0 mysql> select * from test2; +---+---+ | id1 ...
Re: Table doubled in size due to index, way to remove this duplicate data?Posted by: Aftab Khan Date: September 07, 2010 02:21AM Yes you can have table sorted in a specifc order, Note that the table does not remain in this order after inserts and deletes. This option is useful ...
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Hello, I am stuck in my project and don't know what to do about it. I have thought of several ways but nothing has worked... so can anyone help me as toHow i should remove duplicate values from a listbox on a buttonclick on a form ?
From the manual: "IGNORE is a MySQL extension to standard SQL. It controls how ALTER TABLE works if there are duplicates on unique keys in the new table or if warnings occur when strict mode is enabled. If IGNORE is not specified, the copy is aborted and rolled back if duplicate-key ...
If we look at the result set, we can easily understand thatBookNumber: 3andBookNumber: 4are duplicate rows. Previously, it was explained in detailhow to remove duplicates in SQL. We must delete them to keep the database consistent.
400 InvalidConnectionString.Duplicate Specified connection string already exists in the RDS. 链接地址名重复,请重新设置连接字符串。 400 RequiredParam.NotFound Required input param is not found. 没有传入必要的参数。 400 Parameters.Invalid Parameter error, please check the parameters. 参数错误,请检查参数...
Bug http://bugs.mysql.com/bug.php?id=57940 marked as duplicate of this one.[25 Jan 2011 23:13] Jim Goodwin I have Windows 7. Installed originally using mysql-essential-5.1.52-win32.msi. Uninstall did not remove the service. I stopped the service before running the uninstaller via Wind...
it's a duplicate ofBug#32167(and is possible because of a bug in a fix forbug#32167). [17 Dec 2009 14:21] Tomas Hoger Was this problem fixed in any version? This was marked as dupe ofbug #32167, but I don't see any comment there indicating related change. Thanks!
Re: Table doubled in size due to index, way to remove this duplicate data? 1924 Aftab Khan September 07, 2010 02:21AM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in...