Data migration method and device
A data and database technology, applied in the database field, can solve problems such as database downtime, and achieve the effect of reducing the probability of downtime
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[0047] For another example, in combination with the above scheme of grouping the databases to be migrated, an implementation manner in which the migration thread performs data migration on the databases to be migrated includes:
[0048] The migration thread corresponding to each group can determine the target data in the database to be migrated in each group, and the target data refers to the data required to carry out the target business;
[0049] The migration thread corresponding to each group migrates the target data from the database to be migrated in each group to the new database;
[0050] The migration thread corresponding to each group migrates other data in the database to be migrated in each group except the target data to the new database.
[0051] In this embodiment, the migration thread does not directly migrate all the data to be migrated, but first determines the target business and the target data required to carry out the target business, so as to facilitate ...
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