PostgreSQL 8.2.3 婺桺桺懼
劯锔媆锔䆹53. BKI 劯䆇毖埼媆誕嬉誕

53.4. 冋床

婋麵䔇变傴镖儖录傺劉婺 test_table 䔇臘臖臘橬婴婻䌂傋彖彆婺 int4text 䔇庖枕 colacolb 䇽劯劏臖臘某噖婴臯㔗

create test_table 420 (cola = int4, colb = text)
open test_table
insert OID=421 ( 1 "value1" )
insert OID=422 ( 2 _null_ )
close test_table

劯锔饡釕嬉誕
係䂘彺哋寡䔇 BKI 桺傽䔇䂷悇婪婔亓蓇彐単套嘘嘪䫘䂘螇媇敇