diff --git a/catalog/provider.go b/catalog/provider.go
index 4ac0ba35..56c15204 100644
--- a/catalog/provider.go
+++ b/catalog/provider.go
@@ -168,7 +168,7 @@ func (prov *DatabaseProvider) AllDatabases(ctx *sql.Context) []sql.Database {
 		}
 
 		switch schemaName {
-		case "information_schema", "pg_catalog", "__sys__":
+		case "information_schema", "pg_catalog", "__sys__", "mysql":
 			continue
 		}
 
diff --git a/test/bats/mysql/unique_databases.bats b/test/bats/mysql/unique_databases.bats
new file mode 100644
index 00000000..be495073
--- /dev/null
+++ b/test/bats/mysql/unique_databases.bats
@@ -0,0 +1,8 @@
+#!/usr/bin/env bats
+
+@test "Ensure every database reported by SHOW DATABASES is unique" {
+  run mysql -h 127.0.0.1 -u root --raw --batch --skip-column-names -e "SHOW DATABASES"
+  [ "$status" -eq 0 ]
+  unique_databases=$(echo "$output" | sort | uniq -d)
+  [ -z "$unique_databases" ]
+}