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Table structure
Settings for the table structure (list of columns).
Table structure
Documentation Whether the table structure actions should be hidden. Restore default value
Documentation Whether column comments should be shown in table structure view Restore default value
Default transformations
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page. Restore default value

mdl_forum_read

With selected: With selected:

Add column  Add column(s)  
Indexes Documentation
Action Keyname Type Unique Packed Column Cardinality Collation Null Comment
Edit Edit Rename Rename Drop Drop PRIMARY BTREE Yes No id 0 A No
Edit Edit Rename Rename Drop Drop mdl_foruread_foruse_ix BTREE No No forumid 0 A No
userid 0 A No
Edit Edit Rename Rename Drop Drop mdl_foruread_disuse_ix BTREE No No discussionid 0 A No
userid 0 A No
Edit Edit Rename Rename Drop Drop mdl_foruread_posuse_ix BTREE No No postid 0 A No
userid 0 A No
Edit Edit Rename Rename Drop Drop mdl_foruread_use_ix BTREE No No userid 0 A No
Create an index on columns
Partitions Documentation
Information

Table comments: Tracks each users read posts

Space usage
Data 8.0 KiB
Index 32.0 KiB
Overhead 0 B
Effective 40.0 KiB
Total 40.0 KiB
Optimize table Optimize table
Row statistics
Format Compressed
Options row_format=COMPRESSED
Collation utf8mb4_unicode_ci
Next autoindex 1
Creation Apr 10, 2026 at 03:42 PM
Last update Apr 17, 2026 at 06:23 AM
Last check Apr 17, 2026 at 06:23 AM