PLS-00371: at most one declaration for 'string' is permitted

PLS-00371: at most one declaration for 'string' is permitted
Cause: A reference to an identifier was ambiguous because there were multiple declarations for the identifier. At most one local variable with a given identifier is permitted in the declarative part of a block, procedure, or function. At most one label with a given identifier may appear in a block.
Action: Check the spelling of the identifier. If necessary, remove all but one declaration of the identifier.

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小智 2018-08-30 19:02

PLS-00371：最多只允许一个“ string ”声明,
.原因：对标识符的引用是不明确的，因为标识符有多个声明。在块，过程或函数的声明部分中，最多允许具有给定标识符的一个局部变量。最多可以在一个块中显示一个带有给定标识符的标签。,
.操作：检查标识符的拼写。如有必要，除去一个标识符声明以外的所有内容。,
.

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PLS-00371: at most one declaration for 'string' is permitted

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