# `sync-diff-inspector` Required Privileges

+ Upstream database
  + Global **`SELECT`** (checks data for comparison)
  + Global **`SHOW DATABASES`** (views database name)
  + Global **`RELOAD`** (views table schema)
+ Downstream database
  + Global **`SELECT`** (checks data for comparison)
  + Global **`SHOW DATABASES`** (views database name)
  + Global **`RELOAD`** (views table schema)

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`sync-diff-inspector` needs to obtain the information of table schema and to query data.