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select * from all_constraints where CONSTRAINT_NAME = 'FK_T_INFO_P_RESTAURAN_T_INFO_R';

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select * from all_constraints where CONSTRAINT_NAME = 'FK_T_INFO_P_RESTAURAN_T_INFO_R';

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select * from all_constraints where CONSTRAINT_NAME = 'FK_T_INFO_P_RESTAURAN_T_INFO_R';

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select * from all_constraints where CONSTRAINT_NAME = upper('FK_T_INFO_P_RESTAURAN_T_INFO_R');