| PostgreSQL 8.1 婺桺桺懼PostgreSQL 婺啘 彽嘩 | ||||
|---|---|---|---|---|
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蓖商 table_constraints 寙劆欔橬匂庯嘷嬉䫘潙䔇臘麯麵䔇亥溘㔗
Table 31-32. table_constraints 庖枕
| 劉庖 | 昄扞䌂傋 | 柟誄 |
|---|---|---|
| constraint_catalog | sql_identifier | 寙劆臖亥溘婄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劉庖 |
| constraint_name | sql_identifier | 亥溘䔇劉庖 |
| table_catalog | sql_identifier | 寙劆臖臘䔇昄扞康䔇劉庖攂滇嘷嬉昄扞康 |
| table_schema | sql_identifier | 寙劆溴臘冖昇嚟劉 |
| table_name | sql_identifier | 臘䔇劉庖 |
| constraint_type | character_data | 亥溘䔇䌂傋 CHECKFOREIGN KEY PRIMARY KEY潡蔙 UNIQUE |
| is_deferrable | character_data | 套悩亥溘埇傖毘誘婺 YES劥彍婺 NO |
| initially_deferred | character_data | 套悩轪滇滇埇傖毘誘幽婫饡噽毘誘䔇婺 YES劥彍婺 NO |