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 | | '''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" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 15: | Line 17: | ||
| '''Nullable | | '''Nullable | ||
| '''Default | | '''Default | ||
| − | | ''' | + | | '''Description |
| − | + | ||
| − | + | |- valign="top" | |
| − | |- | ||
| COUNTRY_ID | | COUNTRY_ID | ||
| CHAR(2) | | CHAR(2) | ||
| not null | | not null | ||
| | | | ||
| − | | | + | | Primary key of countries table. |
| − | + | |- valign="top" | |
| − | |- | ||
| COUNTRY_NAME | | COUNTRY_NAME | ||
| VARCHAR2(40) | | VARCHAR2(40) | ||
| null | | null | ||
| | | | ||
| − | | | + | | Country name |
| − | + | |- valign="top" | |
| − | |- | ||
| REGION_ID | | REGION_ID | ||
| NUMBER | | NUMBER | ||
| null | | 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" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 48: | Line 68: | ||
| '''Column | | '''Column | ||
| '''Referenced Column | | '''Referenced Column | ||
| − | + | ||
| − | |- | + | |- valign="top" |
| [[HR.REGIONS_(table)|HR.REGIONS]] | | [[HR.REGIONS_(table)|HR.REGIONS]] | ||
| REGION_ID | | REGION_ID | ||
| Line 55: | Line 75: | ||
|} | |} | ||
| − | + | === Detail Tables === | |
{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 61: | Line 81: | ||
| '''Column | | '''Column | ||
| '''Referencing Column | | '''Referencing Column | ||
| − | + | ||
| − | |- | + | |- valign="top" |
| [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | | [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | ||
| COUNTRY_ID | | COUNTRY_ID | ||
| COUNTRY_ID | | COUNTRY_ID | ||
|} | |} | ||
Latest revision as of 11:33, 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 |
