diff --git a/School/Development/Foreign Key.md b/School/Development/Foreign Key.md index d8248cd..0c30b46 100644 --- a/School/Development/Foreign Key.md +++ b/School/Development/Foreign Key.md @@ -2,11 +2,11 @@ A Foreign key is a [[Constraint]] that protects links between tables. Foreign key is a attribute or attributes that link to the [[Primary Key]] of a other entity set (table). ## Example - -|ID (PK)|Name|Age|Sex|Length| +Authors +|ID (PK)|Name|Age|Sex|Length| |-----|-----|-----|-----|-----| |1|Nick|21|M|190| - +Authors |ID (PK)|Job|Age|Sex|Length| |-----|-----|-----|-----|-----| |1|Nick|21|M|190| \ No newline at end of file