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id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | SIMPLE | table_b | null | ref | index_b | index_b | 5 | const | 1 | 100.00 | Using where |
1 | SIMPLE | table_a | null | ref | index_a | index_a | 5 | fiddle_YRFDITQONPXNRMDBQSYV.table_b.id | 1 | 100.00 | null |