ORA-02511：SQL query not allowed; the shard DDL is disabled.
错误码
错误描述：SQL query not allowed; the shard DDL is disabled.
错误原因：An attempt was made to run a shard DDL on a nondeployed shard or with the shard DDL option disabled.
解决方法：Deploy the shards or enable shard DDL before executing the DDL.
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