| 摘要 |
Provided are a data table importing method, data manager and server, the method comprising: a data manager reads the data of a first data table with the import order number set to 1 in M data tables to be imported, divides the data of the first data table into N parts according to the N servers in a distributed database, and transmits the N parts of data to the N servers respectively; according to the import order number, the data manager sequentially performs the following steps at least once on the i-th data table in the M data tables to be imported, i being an integer ranging from 2 to M: the data manager reads at least some of the foreign keys of the i-th data table, and transmits the at least some of the foreign keys to the N servers; the data manager receives N processing results obtained after the N servers connect the at least some of the foreign keys to the primary key of the (i-1)-th data table; and the data manager respectively transmits to the N servers the data corresponding to the N processing results. |
