| PostgreSQL 8.1 婺桺桺懼PostgreSQL 婺啘 彽嘩 | ||||
|---|---|---|---|---|
| Prev | Fast Backward | Chapter 31. 媇敇昇嚟 | Fast Forward | Next |
蓖商 key_column_usage 湺庺嘷嬉昄扞康婺欔橬赆昊底嫇婔亥溘㔕婂髞亥溘潡蔙崡髞亥溘鍊彽䔇庖枕㔗 婘認婻蓖商麯澇橬寙劆演昖亥溘㔗埻橬嘷嬉䫘潙拖橬䔇臘婺䔇䕩噿庖枕欉嚔婘溴滆䴺㔗
Table 31-16. key_column_usage 庖枕
| 劉庖 | 昄扞䌂傋 | 柟誄 |
|---|---|---|
| constraint_catalog | sql_identifier | 寙劆認婻亥溘䔇昄扞康䔇劉庖攂滇嘷嬉昄扞康 |
| constraint_schema | sql_identifier | 寙劆認婻亥溘䔇昇嚟䔇劉庖 |
| constraint_name | sql_identifier | 亥溘䔇劉庖 |
| table_catalog | sql_identifier | 寙劆赆認婻亥溘鍊彽五昊婻庖枕䔇臘欔婘䔇昄扞康䔇劉庖攂滇嘷嬉昄扞康 |
| table_schema | sql_identifier | 寙劆赆認婻亥溘鍊彽五昊婻庖枕䔇臘欔婘䔇昇嚟䔇劉庖 |
| table_name | sql_identifier | 寙劆赆認婻亥溘鍊彽五昊婻庖枕䔇臘䔇劉庖 |
| column_name | sql_identifier | 赆昊婻亥溘鍊彽䔇庖枕䔇劉庖 |
| ordinal_position | cardinal_number | 庖枕婘亥溘髞庖麯䔇嘉䘞废埙傯 1 嚔哋 |