sakila
Database
Tables
(current)
Columns
Constraints
Relationships
Orphan Tables
Anomalies
Routines
city
0
rows
Columns
Column
Type
Size
Nulls
Auto
Default
Children
Parents
Comments
city_id
SMALLINT UNSIGNED
5
√
null
address
.city_id
fk_address_city
R
city
VARCHAR
50
null
country_id
SMALLINT UNSIGNED
5
null
country
.country_id
fk_city_country
R
last_update
TIMESTAMP
26
CURRENT_TIMESTAMP
Indexes
Constraint Name
Type
Sort
Column(s)
PRIMARY
Primary key
Asc
city_id
idx_fk_country_id
Performance
Asc
country_id
Relationships
Close relationships within degrees of separation
One
Two degrees