# SQL Error (1049): Unknown database 'unnamed'

**URL:** <https://forums.percona.com/t/sql-error-1049-unknown-database-unnamed/15528>\
**Category:** MySQL & MariaDB\
**Created:** [May 3, 2022, 6:03pm UTC](https://forums.percona.com/t/sql-error-1049-unknown-database-unnamed/15528 "2022-05-03T18:03:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rex64](https://avatars.discourse-cdn.com/v4/letter/r/8baadc/32.png) [@Rex64](https://forums.percona.com/u/Rex64)\
**Post date:** [May 3, 2022, 6:03pm UTC](https://forums.percona.com/t/sql-error-1049-unknown-database-unnamed/15528/1 "2022-05-03T18:03:19Z")

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I am getting an error after copying database files to new server. I copied all of the server files as well. Windows 10 Pro. 10.3.10-MariaDB

The Error:  
SQL Error (1049): Unknown database ‘unnamed’

 ![heidi](https://us1.discourse-cdn.com/flex019/uploads/percona1/original/2X/2/2ee8b11eb8d873fe8f0d366443b72611dd19184d.jpeg)

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<div class="post-metadata">

**Author:** ![CTutte](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/ctutte/32/1341_2.png) [@CTutte](https://forums.percona.com/u/CTutte)\
**Post date:** [May 4, 2022, 12:06pm UTC](https://forums.percona.com/t/sql-error-1049-unknown-database-unnamed/15528/2 "2022-05-04T12:06:49Z")

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Hi Rex64,

You should NOT manually copy data files from one server to another. It might work (but still not suggested) .

I suggest you take a backup and restore on this server rather than “copying” the files.  
You can use either mysqldump or mariabackup for this