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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

irregular_subject_assignments

# Name Type Collation Attributes Null Default Comments Extra Action
1 int(10) UNSIGNED No None AUTO_INCREMENT Change Change Drop Drop
2 int(10) UNSIGNED No None Change Change Drop Drop
3 int(10) UNSIGNED Yes NULL Change Change Drop Drop
4 int(10) UNSIGNED No None Change Change Drop Drop
5 int(10) UNSIGNED No None Change Change Drop Drop
6 int(10) UNSIGNED Yes NULL Change Change Drop Drop
7 tinyint(1) No 0 Change Change Drop Drop
8 enum('Term 1', 'Term 2', 'Term 3') utf8mb4_general_ci No Term 1 Change Change Drop Drop
9 varchar(50) utf8mb4_general_ci Yes NULL Change Change Drop Drop
10 enum('active', 'inactive') utf8mb4_general_ci No active Change Change Drop Drop
11 int(10) UNSIGNED Yes NULL Change Change Drop Drop
12 timestamp No current_timestamp() Change Change Drop Drop
13 timestamp No current_timestamp() ON UPDATE CURRENT_TIMESTAMP() 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 12 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_section BTREE No No section_id 2 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_subject BTREE No No subject_id 12 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_teacher BTREE No No teacher_id 4 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_term BTREE No No term 2 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_status BTREE No No status 2 A No
Edit Edit Rename Rename Drop Drop idx_irregular_assignment_learner BTREE No No learner_id 12 A Yes
Edit Edit Rename Rename Drop Drop idx_irregular_subject_assignments_school_year_archived BTREE No No school_year_id 2 A Yes
is_archived 2 A No
Create an index on columns
Partitions Documentation
Information
Space usage
Data 16.0 KiB
Index 112.0 KiB
Overhead 0 B
Effective 128.0 KiB
Total 128.0 KiB
Optimize table Optimize table
Row statistics
Format dynamic
Collation utf8mb4_general_ci
Next autoindex 15
Creation Aug 21, 2026 at 08:42 PM
Last update Aug 21, 2026 at 07:14 PM
Last check Aug 21, 2026 at 07:14 PM