'A data warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision-making process' (W.H. Inmon, 1993). Describe the major characteristics of the data held in a data warehouse.

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The Answer of 'A data warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision-making process' (W.H. Inmon, 1993). Describe the major characteristics of the data held in a data warehouse.

'A Data Warehouse Is a Subject-Oriented, Integrated, Time-Variant and Non-Volatile