Difference between revisions of "HR.COUNTRIES (table)"
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{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
− | |- | + | |- valign="top" |
− | | ''' | + | | '''Table |
| HR.COUNTRIES | | HR.COUNTRIES | ||
− | |- | + | |- valign="top" |
+ | | '''Description | ||
+ | | country table. Contains 25 rows. References with locations table. | ||
+ | |} | ||
+ | |||
+ | === Columns === | ||
+ | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
+ | |- style="background:silver" | ||
+ | | '''Column | ||
+ | | '''Data Type | ||
+ | | '''Nullable | ||
+ | | '''Default | ||
+ | | '''Description | ||
+ | |||
+ | |- valign="top" | ||
+ | | COUNTRY_ID | ||
+ | | CHAR(2) | ||
+ | | not null | ||
+ | | | ||
+ | | Primary key of countries table. | ||
+ | |- valign="top" | ||
+ | | COUNTRY_NAME | ||
+ | | VARCHAR2(40) | ||
+ | | null | ||
+ | | | ||
+ | | Country name | ||
+ | |- valign="top" | ||
+ | | REGION_ID | ||
+ | | NUMBER | ||
+ | | null | ||
+ | | | ||
+ | | Region ID for the country. Foreign key to region_id column in the departments table. | ||
+ | |} | ||
+ | |||
+ | === Primary Key === | ||
+ | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
+ | |- style="background:silver" | ||
+ | | '''Primary Key | ||
+ | | '''Columns | ||
+ | |- valign="top" | ||
+ | | COUNTRY_C_ID_PK | ||
+ | | COUNTRY_ID | ||
+ | |} | ||
+ | |||
+ | === Check Constraints === | ||
+ | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
+ | |- style="background:silver" | ||
+ | | '''Check Constraint | ||
+ | | '''Expression | ||
+ | | '''Description | ||
+ | |||
+ | |- valign="top" | ||
+ | | COUNTRY_ID_NN | ||
+ | | "COUNTRY_ID" IS NOT NULL | ||
+ | | | ||
+ | |} | ||
+ | |||
+ | === Foreign Keys === | ||
+ | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
+ | |- style="background:silver" | ||
+ | | '''Relation | ||
+ | | '''Column | ||
+ | | '''Referenced Column | ||
+ | |||
+ | |- valign="top" | ||
+ | | [[HR.REGIONS_(table)|HR.REGIONS]] | ||
+ | | REGION_ID | ||
+ | | REGION_ID | ||
+ | |} | ||
+ | |||
+ | === Detail Tables === | ||
+ | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
+ | |- style="background:silver" | ||
+ | | '''Detail Table | ||
+ | | '''Column | ||
+ | | '''Referencing Column | ||
+ | |||
+ | |- valign="top" | ||
+ | | [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | ||
+ | | COUNTRY_ID | ||
+ | | COUNTRY_ID | ||
|} | |} |
Latest revision as of 10:33, 27 August 2011
Contents
wikibot[edit]
Table | HR.COUNTRIES |
Description | country table. Contains 25 rows. References with locations table. |
Columns[edit]
Column | Data Type | Nullable | Default | Description |
COUNTRY_ID | CHAR(2) | not null | Primary key of countries table. | |
COUNTRY_NAME | VARCHAR2(40) | null | Country name | |
REGION_ID | NUMBER | null | Region ID for the country. Foreign key to region_id column in the departments table. |
Primary Key[edit]
Primary Key | Columns |
COUNTRY_C_ID_PK | COUNTRY_ID |
Check Constraints[edit]
Check Constraint | Expression | Description |
COUNTRY_ID_NN | "COUNTRY_ID" IS NOT NULL |
Foreign Keys[edit]
Relation | Column | Referenced Column |
HR.REGIONS | REGION_ID | REGION_ID |
Detail Tables[edit]
Detail Table | Column | Referencing Column |
HR.LOCATIONS | COUNTRY_ID | COUNTRY_ID |