| 摘要 |
PURPOSE:To relieve the load of a user by using a data set management means so as to allocate or access a data set through only the designation of a data set name and a group identifier. CONSTITUTION:The titled system is provided with a data set information storage means 2 storing the location of a data set and the attribute of the data set, a group management means classifying the data set into a group and managing it, and a data set accessing means 4 accessing the dataset depending on the data set name and the group identifier stored by the data set information storage means 2. The data set information storage means 2 uses the management table to store the location of the data set and the attribute of the data set, the group management means 3 uses a group identifier to classify the data set into a group and manages it and the data set accessing means 4 uses the dataset name and the group identifier in the management table to access the data set.
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