文档解释
ORA-13027: unable to read dimension definition from string
Cause: There was a problem reading the dimension definition from the _SDODIM table.
Action: Verify that the _SDODIM table exists and that the appropriate privileges exist on the table. Address any other errors that might appear with the message.
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ORA-13027: unable to read dimension definition from string 是由于用于创建多维数据集（MDS）的字符串无法被解析，造成的错误。
官方解释:
ORA-13027: unable to read dimension definition from string
Cause: An attempt was made to create a Multi-Dimensional Structure (MDS) using a string that could not be parsed.
Action: Ensure that the string used to create the MDS is well-formed and correct.
常见案例
当多维结构（MDS）在用字符串创建时，字符串出现语法错误或无法正确解析时，就会出现ORA-13027：unable to read dimension definition from string的错误。
正常处理方法及步骤:
1.检查字符串以确保其是正确的格式和结构，以及合法的语法。
2.检查字符串中的值，以确保相应正确。
3.使用帮助程序来正确生成字符串，而不是手动维护。
4.重新尝试创建多维数据集。
