The query below lists table indexes.

Query

select table_schema as database_name,
       table_name,
       index_name,
       group_concat(column_name order by seq_in_index) as columns,
       index_type,
       case non_unique
            when 1 then 'Not Unique'
            else 'Unique'
            end as is_unique
from information_schema.statistics
where table_schema not in ('information_schema', 'mysql',
                           'performance_schema', 'sys')
group by table_schema,
         table_name,
         index_name,
         index_type,
         non_unique
order by table_schema,
         table_name;

Columns

• database_name - name of the database (schema)
• table_name - name of the table for which the index is defined
• index_name - name of the index
• index_type
  • Primary key
  • Unique
• index_name - name of the index
• columns - list of index columns separated by ","
• index_type
  • BTREE
  • RTREE
  • FULLTEXT
  • HASH
  • SPATIAL
• is_unique - whether index is unique
  • Unique
  • Not unique

Rows

• One row: represents one index
• Scope of rows: all indexes (unique and not unique) in the specified database (schema)
• Ordered by: database (schema) name and table name

Sample results