Method and apparatus for archiving database generating index information, search method and apparatus for archived database including index information

摘要

Provide a database archiving method for generating index information. According to an embodiment of the present invention, there is provided a database archiving method for generating index information, comprising: at least one record including a plurality of records based on information on field values in an original table for archiving data; Selecting a record group, compressing the group compression data generated by compressing the record group for each of the at least one record group and the stored key value uniquely assigned to the group compression data Storing in a table, storing the field value and the stored key value corresponding to each of the at least one record group in a group index table, and the at least one selected record Deleting a plurality of records included in the group from the original table. [Selected figure] Figure 1