MariaDB [wordpress]> show index from wp_spectrom_sync_log;
+----------------------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table                | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+----------------------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| wp_spectrom_sync_log |          0 | PRIMARY  |            1 | id          | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| wp_spectrom_sync_log |          1 | post_id  |            1 | post_id     | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+----------------------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
2 rows in set (0.00 sec)

MariaDB [wordpress]> show index from wp_spectrom_sync;
+------------------+------------+-------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table            | Non_unique | Key_name          | Seq_in_index | Column_name       | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+------------------+------------+-------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| wp_spectrom_sync |          0 | PRIMARY           |            1 | sync_id           | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| wp_spectrom_sync |          1 | source_content_id |            1 | source_content_id | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| wp_spectrom_sync |          1 | target_content_id |            1 | target_content_id | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| wp_spectrom_sync |          1 | content_type      |            1 | content_type      | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+------------------+------------+-------------------+--------------+-------------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
4 rows in set (0.00 sec)

MariaDB [wordpress]>