#BELONG

ORA-31431: all source tables must belong to the synchronous change set

文档解释ORA-31431:allsourcetablesmustbelongtothesynchronouschangesetCause:Notallofthesourcetablesbelongtothesynchronouschangeset.Action:Checkthespellingofthesourcet...

ORA-24901: handles belonging to different environments passed into an OCI call

文档解释ORA-24901:handlesbelongingtodifferentenvironmentspassedintoanOCIcallCause:AllhandlespassedintoanOCIcallshouldbelongtothesameenvironment.Inthecallthatreturne...

ORA-19909: datafile string belongs to an orphan incarnation

文档解释ORA-19909:datafilestringbelongstoanorphanincarnationCause:Eitherthespecifieddatafilewasrestoredfromabackupthatwastakenduringaperiodoftimethathasalreadybeend...

MySQL Error number: MY-013341; Symbol: ER_LDAP_MAPPING_USER_DONT_BELONG_GROUP; SQLSTATE: HY000

文档解释Errornumber:MY-013341;Symbol:ER_LDAP_MAPPING_USER_DONT_BELONG_GROUP;SQLSTATE:HY000Message:Getuserproxy:Userdoesn’tbelongstoanygroup,usernamewillbetrea...

All flavors must now belong to a named flavor dimension

FAQ:Allflavorsmustnowbelongtoanamedflavordimension.Learnmoreathttps://d.android.com/r/tools/flavorDimensions-missing-error-message.html 解决:看官方文档:Plugin&nbs...
代码星球 ·2020-06-02

【laravel5.4 + TP5.0】hasOne和belongsTo的区别

1、从字面理解:假如A比B大,那么AhasOneB;BbelongsToA;2、个人总结: 3、从代码角度:主要是看你是在哪一个model(模型)中编写这个关联关系,父关联对象就是在父关联model(本文是在Products的model类)下编写的关联模型。has_one(或has_many):外键在子关联对...
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