注释接口 Column
Optional annotation to specify the column name for scalar properties.
If the column name inferred according to the Java/Kotlin property name based on Rule `word1Word2...WordN -> WORD1_WORD2_..._WORDN` is different from the column name in the database, this annotation must be used.
Note: This annotation can not be used to map foreign key.
For foreign key, JoinColumn is useful
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