Spider Differences Between SpiderForMySQL and MariaDB SQL Syntax With SpiderForMySQL, the CREATE TABLE statement uses CONNECTION to define spider table variables whereas MariaDB uses COMMENT. Features HANDLER can not be translated to SQL in MariaDB Concurrent background search is not yet implemented in MariaDB Vertical partitioning storage engine VP is not implemented in MariaDB CREATE TABLE can use table discovery in MariaDB JOIN performance improvement using join_cache_level>1 and join_buffer_size in MariaDB