A many-to-many relationship allows you to define connections between the records of any two tables, by specifying the relationship type other than “one-to-one.”
A many-to-many table is a table describing how two tables are linked with each other.
For example, the User and the Group tables may contain many records with users and groups, accordingly. A user may be in more than one group, and a group may include many users, so, in this case, these two tables have to be are bound as shown below:
A many-to-many table is a table describing how two tables are linked with each other
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Role required: admin. |
To create a new many-to-many relationship, complete the steps below:
- Navigate to M2M → Create M2M table.
- Fill in the fields.
- Click Save or Save and exit to apply the changes.
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M2M form fields
| Field | Mandatory | Description | ||
|---|---|---|---|---|
| Name | + | Specify a relationship name. | ||
| Source column | ||||
| From column title | - | Specify the column title. It may differ from the column title in the table. | ||
| From column name | + | Specify the system name of the column. You can use Latin letters, [0..9] numbers, and the underscore symbol ( _ ).
| ||
| From table | + | Reference to Specify the source table. | ||
| Target column | ||||
| To column title | - | Specify the column title. It may differ from the column title in the table. | ||
| To column name | + | Specify the system name of the column. You can use Latin letters, [0..9] numbers, and the underscore symbol ( _ ).
| ||
| To table | + | Reference to Specify the target table. | ||