| 摘要 |
Disclosed is a method to process data formats within a relational database management system. By the method, the data is stored as a fixed length format, a variable length format, a number format, a daily format and a time format according to user's definition. The variable length format takes offset and length. The number format takes NUM format accorded with significant place number and decimal place number. The daily format takes a NUM(13) format or a NUM(15) format. The time format takes a NUM(16) format. Thereby, flexibility, convenience and accuracy of the system are improved.
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