2. UPDATE marks the database support updating the same timestamp data;
2. UPDATE marks the database support updating the same timestamp data;
3. Maximum length of the database name is 33;
3. Maximum length of the database name is 33;
4. Maximum length of a SQL statement is 65480 characters;
4. Maximum length of a SQL statement is 65480 characters;
5. Database has more storage-related configuration parameters, see System Management.
5.Database has more storage-related configuration parameters, see [Server-side Configuration](https://www.taosdata.com/en/documentation/administrator#config).