preserved主题的文章列表，还有preserved的技术要点_第1页

ORA-39363: Type evolution could not be preserved for string

文档解释ORA-39363:TypeevolutioncouldnotbepreservedforstringCause:Tryingtoapplyeachversionofthetypeduringimportresultedincompilationwarnings.Thetypewassuccessfullyre...

IT技术学习·2023-07-26

ORA-01779: cannot modify a column which maps to a non key-preserved table

文档解释ORA-01779:cannotmodifyacolumnwhichmapstoanonkey-preservedtableCause:Anattemptwasmadetoinsertorupdatecolumnsofajoinviewwhichmaptoanon-key-preservedtable.Acti...

IT技术学习·2023-07-08

ORA-01752: cannot delete from view without exactly one key-preserved table

文档解释ORA-01752:cannotdeletefromviewwithoutexactlyonekey-preservedtableCause:Thedeletedtablehad–nokey-preservedtables,–morethanonekey-preservedtable,o...

IT技术学习·2023-07-06