| 摘要 |
A computer system selects a first database corresponding to a first schema and a second database corresponding to a second schema. The computer system then generates a schema table based upon the selected databases. Next, the computer system destructures the schema table, which includes a first entry corresponding to the first database and a second entry corresponding to the second database. The computer system then selects a property map that links the first entry to the second entry, and restructures the destructured schema table using the selected property map, resulting in a restructured schema table. In turn, the computer system processes a user query using the restructured schema table.
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