Keep DB2 statistics up-to-date: Without the statistics stored in the DB2 'system catalog, the optimizer will have a difficult time optimizing anything.
使DB 2统计信息保持最新：如果没有存储在DB 2系统目录中的统计信息，优化器在优化任何事物时都会遇到困难。
Keep DB2 statistics up-to-date: Without the statistics stored in the DB2 'system catalog, the optimizer will have a difficult time optimizing anything.
使DB 2统计信息保持最新：如果没有存储在DB 2系统目录中的统计信息，优化器在优化任何事物时都会遇到困难。
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