ORA-54001: string: invalid identifier specified for virtual column expression
文档解释ORA-54001:string:invalididentifierspecifiedforvirtualcolumnexpressionCause:Columnexpressionreferencedacolumnthatdoesnotexistinthetable.Action:Rewritecolumne...
ORA-02304: invalid object identifier literal
文档解释ORA-02304:invalidobjectidentifierliteralCause:AnattemptwasmadetoenteranobjectidentifierliteralforCREATETYPEthatiseither:–notastringof32hexadecimalchar...
ORA-13265: geometry identifier column string in table string is not of type NUMBER
文档解释ORA-13265:geometryidentifiercolumnstringintablestringisnotoftypeNUMBERCause:GIDcolumnisnotoftypeNUMBER.Action:Alterthetabledefinitionsuchthatthecolumncontai...
ORA-16617: unknown object identifier specified in request
文档解释ORA-16617:unknownobjectidentifierspecifiedinrequestCause:Objectidentifierspecifiedintherequestwasinvalidorunknown.Action:Verifythatavalidobjectidentifieriss...
MySQL Error number: MY-013718; Symbol: ER_NOTE_KEYRING_COMPONENT_AES_DATA_IDENTIFIER_EMPTY; SQLSTATE: HY000
文档解释Errornumber:MY-013718;Symbol:ER_NOTE_KEYRING_COMPONENT_AES_DATA_IDENTIFIER_EMPTY;SQLSTATE:HY000Message:Avaliddataidentifierisrequiredinordertofetchthekeyreq...
Python isidentifier()
python中的isidentifier()函数有助于检查指定的字符串是否是有效的标识符。如果是有效的标识符，函数返回true，否则返回false。**string.isidentifier()**isidentifier()方法不接受任何参数。如果字符串包含字母数字(a-z)和数字(0-9)或下划线(_)，并且可以是...
sql server将字符串转换为 uniqueidentifier 时失败
https://www.cnblogs.com/chyg/p/5404591.html...
uniqueidentifier in SQL becomes lower case in c#
https://stackoverflow.com/questions/16938151/uniqueidentifier-in-sql-becomes-lower-case-in-c-sharpIfyouusingEntityFramework,uniqueidentifierdatawillconver...