Virtual data view construction and query method, device and system and storage medium
A technology of virtual data and query methods, applied in database management systems, data processing applications, structured data retrieval, etc., can solve problems such as low query efficiency, huge and redundant educational resource information, and difficulty in obtaining educational resource information.
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[0027] Embodiments of the present invention provide a virtual data view construction and query method, device, system, and storage medium for improving the efficiency of acquiring and querying educational resource information.
[0028] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the term "comprising" or "having" and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to those explicitly listed ins...
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