UNP主题的文章列表，还有UNP的技术要点_第1页

lua unpack

unpack函数是Lua中的一个函数，它可以将一个数组或者table中的元素解包成多个值，然后返回这些值。例如：localt={1,2,3}print(unpack(t))--输出123unpack函数的语法格式为：unpack(list[,i[,j]])其中，list表示要解包的数组或者table；i表示解包的起始位...

开发笔记 ·2024-08-27

ORA-06556: the pipe is empty, cannot fulfill the unpack_message request

文档解释ORA-06556:thepipeisempty,cannotfulfilltheunpack_messagerequestCause:Therearenomoreitemsinthepipe.Action:Checkthatthesenderandreceiveragreeonthenumberandtype...

IT技术学习 ·2023-07-27

ORA-49440: Warnings while unpacking package, details in file string

文档解释ORA-49440:Warningswhileunpackingpackage,detailsinfilestringCause:Thereweresomenon-fatalerrorswhenunpackingapackageAction:Reviewthespecifiedunpackinglogfile：...

IT技术学习 ·2023-07-27

ORA-49407: No unpacking history in this home

文档解释ORA-49407:NounpackinghistoryinthishomeCause:Nopackageswereunpackedintothishome.Action:Verifythecurrenthome.Unpackapackageifnecessary.ORA-49407错误是一个通用错误,表示无法...

IT技术学习 ·2023-07-26

ORA-56900: bind variable is not supported inside pivot|unpivot operation

文档解释ORA-56900:bindvariableisnotsupportedinsidepivot|unpivotoperationCause:Attemptedtousebindvariablesinsidepivot|unpivotoperation.Action:Thisisnotsupported.ORA-...

IT技术学习 ·2023-07-26

ORA-27548: Unable to unprepare IPC buffer

文档解释ORA-27548:UnabletounprepareIPCbufferCause:Thisisanoperatingsystem-dependentIPCerror.Action:ContactOraclesupportServices.ORA-27548错误表示无法反准备（unprepare）IPC缓冲区。...

IT技术学习 ·2023-07-25

ORA-27542: Failed to unprepare a buffer prepared for remote update

文档解释ORA-27542:FailedtounprepareabufferpreparedforremoteupdateCause:Thisisanoperatingsystem/clusterinterconnecterror.Action:CheckthevalueoferrnoandcontactOracleS...

IT技术学习 ·2023-07-25

ORA-56901: non-constant expression is not allowed for pivot|unpivot values

文档解释ORA-56901:non-constantexpressionisnotallowedforpivot|unpivotvaluesCause:Attemptedtousenon-constantexpressionforpivot|unpivotvalues.Action:Useconstantsforpiv...

IT技术学习 ·2023-07-08

ORA-39122: Unprivileged users may not perform string remappings.

文档解释ORA-39122:Unprivilegedusersmaynotperformstringremappings.Cause:AuserattemptedtoremapobjectsduringanimportbutlackedtheIMPORT_FULL_DATABASEprivilege.Action:Re...

IT技术学习 ·2023-07-08

ORA-26095: unprocessed stream data exists

文档解释ORA-26095:unprocessedstreamdataexistsCause:EitheraOCIDirPathLoadStreamcallwasmadewhichprovided*morestreamdatapriortotheserverbeingabletofully*processthestre...

IT技术学习 ·2023-07-08

ORA-39266: Cannot alter unpartitioned table to partitioned.

文档解释ORA-39266:Cannotalterunpartitionedtabletopartitioned.Cause:DBMS_METADATA_DIFFwascomparingtwotables,oneunpartitioned,theotherpartitioned.ThereisnoSQLALTERsta...

IT技术学习 ·2023-07-08

MySQL Error number: MY-010350; Symbol: ER_VIEW_UNPARSABLE; SQLSTATE: HY000

文档解释Errornumber:MY-010350;Symbol:ER_VIEW_UNPARSABLE;SQLSTATE:HY000Message:Unabletoreadview%s错误说明：MySQL的ER_VIEW_UNPARSABLE错误是一种基本的SQL语法错误，通常在MySQL服务器遇到无法正确解析视图定义...

IT技术学习 ·2023-06-30

【ibus】设置ibus输入法（pinyin & sunpinyin）

在终端中运行/usr/lib/ibus-pinyin/ibus-setup-pinyin命令可以调出ibus的完整设置对话框可以执行ibus-sunpinyin自带的python设置脚本ibus-setup-sunpinyin来全面设置它: $ /usr/lib/ibus-sunpinyin/ibu...

代码星球 ·2021-02-21

[转]Oracle SQL函数pivot、unpivot转置函数实现行转列、列转行

原文地址:http://blog.csdn.net/seandba/article/details/72730657函数PIVOT、UNPIVOT转置函数实现行转列、列转行，效果如下图所示：1.PIVOT为行转列，从图示的左边到右边2.UNPIVOT为列转行，从图示的右边到左边3.左边为纵表，结构简单，易扩展4.右边为...

代码星球 ·2021-02-15

SQL Server 行列相互转换命令：PIVOT和UNPIVOT使用详解

一、版本要求1.数据库的最低版本要求为SQLServer2005或更高。2.必须将数据库的兼容级别设置为90或更高。3.查看我的数据库版本及兼容级别。如果不知道怎么看数据库版本或兼容级别的话可以在SQLServerManagementStudio新建一个查询窗口输入：print@@version，运行之后在我的本机上得...

代码星球 ·2021-02-15