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ShardingSphere > Features > Scaling > User Norms

User Norms

Supported

Migrate data outside into databases which managed by Apache ShardingSphere;
Scale out data between data nodes of Apache ShardingSphere.

Unsupported

Scale table without primary key, primary key can not be composite;
Scale table with composite primary key;
Do not support scale on in used databases, need to prepare a new database cluster for target.