Acquisition method and system of power grid structured data mart

The invention provides a method and a system for acquiring a structured data mart of a power grid. The method for acquiring the structured data mart of the power grid comprises the following steps of: issuing a data demand in a business description mode and acquiring a data result set based on a built data directory; comparing the data result set with a data demand to obtain a missing data set; checking the data directory based on the missing data set, and determining the state of the data object in the missing data set; updating the data directory according to the state of the data object in the missing data set; re-acquiring a data result set by utilizing the updated data directory; and releasing the data set according to the reacquired data result set. According to the method, the data objects which do not meet the data requirements are screened out by obtaining the missing data set, the data catalog is further updated according to the states of the data objects, and the correctness and integrity of the da