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article_category_ref is an associative table of article and category, however it has neither primary key (on both columns) nor secondary index (in one of the two columns), which may affect performance when this table is large.
The text was updated successfully, but these errors were encountered:
article_category_ref
is an associative table ofarticle
andcategory
, however it has neither primary key (on both columns) nor secondary index (in one of the two columns), which may affect performance when this table is large.The text was updated successfully, but these errors were encountered: