Furthermore, inventory of a practical chloro alkali factory was simulated and analyzed, and the feasibility of the proposed model and optimization procedures was verified.

更进一步针对一个氯碱企业中氯乙烯厂的库存问题进行了仿真分析，对所提出的流程工业库存优化模型进行了验证，结果表明该模型是可行的。

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SQL PL procedures contain SQL statements that have execution attributes, such as the isolation level or the optimization level that can only be overridden by DB2_SQLROUTINE_PREOPTS registry variable.

SQL PL过程包含的sql语句具有一些执行属性，例如隔离级别或优化级别，这些属性只能通过DB2_SQLROUTINE _ PREOPTS注册表变量来覆盖。

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For static SQL in a package (like SQL stored procedures), use of parameter markers while still allowing optimization by value can be accomplished through the REOPT ALWAYS bind or precompile options.

对于一个包中的静态SQL(比如s QL存储过程)，通过REOPT ALWAYS绑定或预编译选项，可以使用参数标记同时允许通过值进行优化。

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