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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_grade_items_history

# Name Type Collation Attributes Null Default Comments Extra Action
1 bigint(10) No None AUTO_INCREMENT Change Change Drop Drop
2 bigint(10) No 0 Change Change Drop Drop
3 bigint(10) No None Change Change Drop Drop
4 varchar(255) utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
5 bigint(10) Yes NULL Change Change Drop Drop
6 bigint(10) Yes NULL Change Change Drop Drop
7 bigint(10) Yes NULL Change Change Drop Drop
8 bigint(10) Yes NULL Change Change Drop Drop
9 varchar(255) utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
10 varchar(30) utf8mb4_unicode_ci No Change Change Drop Drop
11 varchar(30) utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
12 bigint(10) Yes NULL Change Change Drop Drop
13 bigint(10) Yes NULL Change Change Drop Drop
14 longtext utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
15 varchar(255) utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
16 longtext utf8mb4_unicode_ci Yes NULL Change Change Drop Drop
17 smallint(4) No 1 Change Change Drop Drop
18 decimal(10,5) No 100.00000 Change Change Drop Drop
19 decimal(10,5) No 0.00000 Change Change Drop Drop
20 bigint(10) Yes NULL Change Change Drop Drop
21 bigint(10) Yes NULL Change Change Drop Drop
22 decimal(10,5) No 0.00000 Change Change Drop Drop
23 decimal(10,5) No 1.00000 Change Change Drop Drop
24 decimal(10,5) No 0.00000 Change Change Drop Drop
25 decimal(10,5) No 0.00000 Change Change Drop Drop
26 decimal(10,5) No 0.00000 Change Change Drop Drop
27 bigint(10) No 0 Change Change Drop Drop
28 bigint(10) No 0 Change Change Drop Drop
29 bigint(10) No 0 Change Change Drop Drop
30 bigint(10) No 0 Change Change Drop Drop
31 bigint(10) No 0 Change Change Drop Drop
32 bigint(10) No 0 Change Change Drop Drop
33 tinyint(1) Yes NULL Change Change Drop Drop
34 tinyint(1) No 0 Change Change Drop Drop
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 774 A No
Edit Edit Rename Rename Drop Drop mdl_graditemhist_act_ix BTREE No No action 6 A No
Edit Edit Rename Rename Drop Drop mdl_graditemhist_tim_ix BTREE No No timemodified 193 A Yes
Edit Edit Rename Rename Drop Drop mdl_graditemhist_old_ix BTREE No No oldid 774 A No
Edit Edit Rename Rename Drop Drop mdl_graditemhist_cou_ix BTREE No No courseid 86 A Yes
Edit Edit Rename Rename Drop Drop mdl_graditemhist_cat_ix BTREE No No categoryid 70 A Yes
Edit Edit Rename Rename Drop Drop mdl_graditemhist_sca_ix BTREE No No scaleid 2 A Yes
Edit Edit Rename Rename Drop Drop mdl_graditemhist_out_ix BTREE No No outcomeid 2 A Yes
Edit Edit Rename Rename Drop Drop mdl_graditemhist_log_ix BTREE No No loggeduser 4 A Yes
Create an index on columns
Partitions Documentation
Information

Table comments: History of grade_items

Space usage
Data 96.0 KiB
Index 144.0 KiB
Overhead 0 B
Effective 240.0 KiB
Total 240.0 KiB
Optimize table Optimize table
Row statistics
Format Compressed
Options row_format=COMPRESSED
Collation utf8mb4_unicode_ci
Next autoindex 782
Creation Apr 10, 2026 at 03:41 PM
Last update Apr 17, 2026 at 06:25 AM
Last check Apr 17, 2026 at 06:25 AM