gazetteerbigtown 
Logical Entity Name  gazetteerbigtown 
Default Table Name  gazetteerbigtown 
Definition 
Ancillary descriptive data for significant town entries in gazetteerpt table
 

gazetteerbigtown Columns 
ColumnName  Domain  Datatype  NULL  Definition 
gazid(PK)(FK)    NUMBER(16, 0)  NO 
References gazetteerpt.gazid
 
pop    NUMBER(10, 0)  YES 
Population >= 0
 
remark    VARCHAR2(80)  YES 
Information about town
 
lddate    DATE  YES 
Load date. Date and time that the record was created or last modified, in Oracle date datatype 
 

gazetteerbigtown Primary and Unique Keys 
Key Name  Key Type  Keys 
gazbigtown_pk_gazid  PrimaryKey  gazid 

gazetteerbigtown Foreign Keys 
Parent Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype 
gazetteerpt  Identifying  One To Zero or More  gazbigtown_fk_gazid      gazid  NO 
Child Relationships: 
Table Name  Type  Cardinality  Constraint Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype 

gazetteerbigtown Check Constraints 
Check Constraint Name  CheckConstraint 
gazbigtown_pop  pop >= 0