id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | SIMPLE | t | ALL | TABLE_SCHEMA, TABLE_NAME | Using where; Open_full_table; Scanned 0 databases | ||||||
1 | SIMPLE | ccsa | ALL | Using where; Using join buffer (Block Nested Loop) |