Imperative programs are formed by a sequence of statements with an explicit order, and their algorithms and programming constructs rely heavily on application state.
命令式编程由一系列带有明确顺序的语句构成，它们的算法和编程构造严重依赖于应用程序的状态。
ROLLBACK statement without a transaction or savepoint name always rolls back statements to the outermost BEGIN transaction (explicit or implicit) statement, and cancels the entire transaction.
没有事务名称或保存点名称的ROLLBACK语句总是将语句回退到最外层的BEGINTRANSACTION(显式或隐式)语句，并且取消整个事务。
ROLLBACK statement without a transaction or savepoint name always rolls back statements to the outermost BEGIN transaction (explicit or implicit) statement, and cancels the entire transaction.
没有事务名称或保存点名称的ROLLBACK语句总是将语句回退到最外层的BEGINTRANSACTION(显式或隐式)语句，并且取消整个事务。
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