Data maintenance method and device, computer equipment and storage medium

The invention relates to a data maintenance method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring business data associated with a view layer, wherein the business data has corresponding valid data time; preprocessing the business data and then storing the business data in a corresponding single table, wherein the preprocessing comprises at least one of the following instructions: extracting the business data, converting the business data and loading the business data; storing the service data meeting the screening condition in the single table into a data pool; when the data in the related view layer association table is changed, judging whether the changed data needs to be added into the data pool or not according to conditions set in the index elements; and if the changed data meets the conditions set in the index elements, adding the changed data into a data pool to obtain an updated data pool. By adopting the method, the data in the data pool can b