phone_numbers

Columns

Column	Type	Size	Nulls	Auto	Default	Children	Parents	Comments
id	INT	10			0

|

| | | country_code | VARCHAR | 5 | √ | | NULL |

|

| | | area_code | CHAR | 3 | √ | | NULL |

|

| | | prefix | CHAR | 3 | √ | | NULL |

|

| | | number | VARCHAR | 4 | √ | | NULL |

|

| | | type | INT | 10 | √ | | NULL |

|

| | | foreign_id | INT | 10 | √ | | NULL |

|

| |

Indexes

Constraint Name	Type	Sort	Column(s)
PRIMARY	Primary key	Asc	id
foreign_id	Performance	Asc	foreign_id

Relationships

Close relationships within degrees of separation