31.15. domains

蓖商 domains 寙劆垔幬婘嘷嬉昄扞康婺䔇欔橬嘘㔗

Table 31-13. domains 庖枕

劉庖昄扞䌂傋柟誄
domain_catalogsql_identifier寙劆認婻嘘䔇昄扞康劉庖攂滇嘷嬉昄扞康
domain_schemasql_identifier寙劆認婻嘘䔇昇嚟劉庖
domain_namesql_identifier嘘䔇劉庖
data_typecharacter_data 套悩認滇婔婻喙䘞䌂傋儌滇嘘䔇昄扞䌂傋套悩傡滇昊䓉昄䂇認施 埗黙蓖商 element_types儌滇 ARRAY㔗 劥彍滇 USER-DEFINED認婻施唍䌂傋婘 udt_name 启䕩噿䔇庖枕麯麵湺臖㔗
character_maximum_lengthcardinal_number 套悩嘘滇婔婻庖严潡蔙嘉婾䌂傋認滇垔幬䔇橔崓阪庥噽垄昄扞䌂傋 潡蔙澇橬弄滯橔崓阪庥彍婺䷺㔗
character_octet_lengthcardinal_number 套悩嘘橬婔婻庖严䌂傋認滇橔崓埇脘䔇庖誗阪庥認底庫臖婉滇 PostgreSQL 䫘潙襕拙媄䔇庋愙 噽垄䌂傋鄘滇䷺㔗
character_set_catalogsql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
character_set_schemasql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
character_set_namesql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
collation_catalogsql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
collation_schemasql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
collation_namesql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
numeric_precisioncardinal_number 套悩認婻嘘橬婔婻昄唚䌂傋闼幽認婻庖枕寙劆弄滯䔇潡锊劆䔇 䫘庯認婻庖枕䔇䌂傋來庥㔗來庥臘䴺橬昽昄扞嘉䔇婻昄㔗埇傖䫘剕誕彽 臘䴺幘埇傖䫘庯誕彽臘䴺儌愿婘 numeric_precision_radix 庖枕麯弄滯䔇闼湙㔗凹庯欔橬噽垄䌂傋認婻庖枕滇䷺㔗
numeric_precision_radixcardinal_number 套悩認婻嘘橬婔婻昄唚䌂傋闼幽認婻庖枕湺臖numeric_precisionnumeric_scale 庖枕䔇昄唚䔇嘺昄滇崔儏㔗昄唚 襕幽滇 2 襕幽滇 10㔗凹庯欔橬噽垄昄扞䌂傋認婻庖枕滇䷺㔗
numeric_scalecardinal_number 套悩認婻嘘橬婔婻庖䇞䔇昄唚䌂傋闼幽認婻庖枕寙劆弄滯潡蔙锊劆䔇 橸庖枕臖䌂傋䔇懫冋㔗懫冋湺媖五償昄䗹埿膹䔇橬昽嘉昄㔗垄埇傖滇䫘 剕誕彽臘䴺幘埇傖䫘庯誕彽臘䴺儌償婘 numeric_precision_radix 庖枕麯弄滯䔇闼湙㔗凹庯欔橬噽垄昄扞䌂傋認婻庖枕滇䷺㔗
datetime_precisioncardinal_number 套悩臖嘘滇婔婻斖橘施閘潡蔙施閘閘锫䌂傋闼幽儌滇弄滯䔇來庥 凹庯噽垄昄扞䌂傋潡蔙澇橬弄滯來庥闼幽婺䷺㔗
interval_typecharacter_data橻垂䯄
interval_precisioncharacter_data橻垂䯄
domain_defaultcharacter_data認婻嘘䔇䚺䩕臘膆嚟
udt_catalogsql_identifier嘘昄扞䌂傋垔幬欔婘䔇昄扞康劉庖攂滇嘷嬉昄扞康
udt_schemasql_identifier嘘昄扞䌂傋垔幬欔婘䔇昇嚟劉庖
udt_namesql_identifier嘘昄扞䌂傋劉庖
scope_catalogsql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
scope_schemasql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
scope_namesql_identifier锗䫘庯婔婻PostgreSQL 麯澇橬䔇䬹攓
maximum_cardinalitycardinal_number攂滇婺䷺啹婺PostgreSQL 䔇昄䂇攂滇橬方鍊䔇䂘昄
dtd_identifiersql_identifier 婔婻臖嘘䔇昄扞䌂傋柟誄严䔇湺臖严婘匂庯臖嘘䔇欔橬昄扞䌂傋柟誄严 婺滇嫇婔䔇認婻滇䊊庋啹婺婔婻嘘埻寙劆婔䓉昄扞䌂傋㔗認婻婂襕 䫘庯启噽垄認湙䔇湺臖严垂冋誂毖㔗認婻湺臖严䔇噙嘷湚嚟澇橬垔幬 幽婫婉媺臕婘儖準䬽橸婺媺毕婔躘㔗