Each of the groups of functions described below is provided as a separately-installable extension. check_primary_key() and check_foreign_key() are used to check foreign key constraints. (This ...
The view key_column_usage identifies all columns in the current database that are restricted by some unique, primary key, or foreign key constraint. Check constraints are not included in this view.
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Trump Vows to Hit Mexico, Canada and China With Tariff on Day 1 President-elect Trump promised a 25 percent tariff on Canada and Mexico, and an additional 10 percent on China, blaming the flow of ...