Title: WordPress Database
Last modified: October 9, 2023

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# WordPress Database

 *  [booksandmorejordan](https://wordpress.org/support/users/booksandmorejordan/)
 * (@booksandmorejordan)
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/)
 * Hi Dears,
   I have discovered that my website has 10 database in MySQL Databases.
   Please note that I have migrated my site many times before and I believe.There
   is only one of the database in use and others are not in use.5 of these databases
   are large about 7gb each one in total around 30gb.My question is will it effect
   my site or main database if I delete them and keep the main one only! Are they
   linked to each other!Thank you!
    -  This topic was modified 2 years, 8 months ago by [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwordpress-database-9%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Moderator [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * (@sterndata)
 * Volunteer Forum Moderator
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111389)
 * I assume you know this by the table prefixes, so check your wp-config.php file
   to see which table_prefix is active. Do you have any other WP sites on this server
   that might be using the same database? If not, it should be safe to delete the
   tables with non-used table_prefixes. Of course, export your database first and
   put that someplace safe, just in case.
 *  Thread Starter [booksandmorejordan](https://wordpress.org/support/users/booksandmorejordan/)
 * (@booksandmorejordan)
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111425)
 * Hi Steven,
   I have checked wp-config.php and there is only one database active.
   But I have no idea if these databased linked to each other in somehow or deleting
   them will cause any crash.The other case is one of the databases is failing to
   backup.I really don’t know what to do, especially, I have speed issue when browsing
   products, and I believe the main reason of this is these databases.Any more advises
   please!
 *  Moderator [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * (@sterndata)
 * Volunteer Forum Moderator
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111438)
 * Unused dbs should not affect the speed of your site. Do you have more than one
   site on this host? If you’re not sure, ask your host’s support team. Databases
   do not cross link.
 * For the purposes of our discussion here, by database, I mean a set of tables 
   beginning with the same prefix (e.g., “wp_”). A single MySQL server instance 
   can contain multiple databases.
 *  Thread Starter [booksandmorejordan](https://wordpress.org/support/users/booksandmorejordan/)
 * (@booksandmorejordan)
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111455)
 * Thank you Steven,
   No, I don’t have any other sites in the host or server, I have
   dedicated server with very high specifications as below:
 * E3-1270v5/v6 | 64GB – 2 x 1TB NVMe
   Memory: 64GB RAMDrive Bay 1: 1TB NVMeDrive
   Bay 2: 1TB NVMeDrive Bay 3: NoneDrive Bay 4: NoneAdd On 1: No RAIDDatacenter 
   Location: Chicago, ILIPv4 Addresses: /29 Allocation (5 Usable)Network Port Speed:
   1gbps (Comes Standard!)Bandwidth: 1Gbps 100TB TransferDDoS Protection: 10gbps/
   30,000,000 pps (Included Free)Operating System: Alma 8 (NVMe)Below is the databases
   that I am talking about:********_wp161 Size: 6.8 (this is the active database)********
   _wp_awjlb Size: 161.78 KB********_wp_cskul Size: 1.08 MB********_wp_ffaxg Size:
   2.55 MB********_wp_j95dl Size: 6.92 GB********_wp_s3gwi Size: 729.35 KB********
   _wp_twabp Size: 6.81 GB********_wp_vdwbk Size: 1 MB********_wp_vflvj Size: 6.58
   GB********_wp_w4gxh Size: 6.75 GB
 *  Moderator [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * (@sterndata)
 * Volunteer Forum Moderator
 * [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111509)
 * backup and cleanup.

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘WordPress Database’ is closed to new replies.

## Tags

 * [database](https://wordpress.org/support/topic-tag/database/)

 * In: [Everything else WordPress](https://wordpress.org/support/forum/miscellaneous/)
 * 5 replies
 * 3 participants
 * Last reply from: [Steven Stern (sterndata)](https://wordpress.org/support/users/sterndata/)
 * Last activity: [2 years, 8 months ago](https://wordpress.org/support/topic/wordpress-database-9/#post-17111509)
 * Status: not resolved

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