| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | d0_ | const | PRIMARY, IDX_C49DE22F557B630 | PRIMARY | 4 | const | 1 | |
| 1 | SIMPLE | d2_ | const | PRIMARY, IDX_B05778914584665A, IDX_B057789112469DE2 | PRIMARY | 8 | const, const | 1 | |
| 1 | SIMPLE | d3_ | const | PRIMARY | PRIMARY | 4 | const | 1 | |
| 1 | SIMPLE | d1_ | ref | IDX_1A11D1BA4584665A | IDX_1A11D1BA4584665A | 5 | const | 1 | Using where |