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PLS-00421: circular synonym 'string'

PLS-00421: circular synonym 'string'
Cause: Directly or indirectly, a synonym was defined in terms of itself, creating a circular definition.
Action: Redefine the synonyms to eliminate the circular definition.

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小智
PLS-00421:圆形同义词' string ',
.原因:直接或间接的定义自己的同义词,创建一个循环定义。,
.操作:重新定义同义词以消除循环定义。,
.
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