Tag: self-join
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Post Views: 17 1. There are 2 fields in the table: original_theme_id, theme_id, the value of the field original_theme_id is derived from the theme_id of another record in the table. as shown in Figure 1 2. Set a one-to-one reverse association in the model. The code is implemented as follows 3. Get the code implementation of the associated attribute, the…
