Stock rises have added to the sense that the worst is over.
股票上扬，也给人以困境结束之感。
The target table stock is altered and a constraint is added to the unit_price.
对表stock进行修改，向unit _ price增加了一个约束。
The target table stock is altered and a constraint is added to the unit_price.
对表stock进行修改，向unit _ price增加了一个约束。
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