MYSQL.sql

-- Lists Tables
select *
from information_schema.tables t
where t.table_schema = 'TRENDY'  -- put schema name here
order by t.table_name;

-- Lists Columns for table
select ordinal_position as position,
       column_name,
       data_type,
       case when character_maximum_length is not null
            then character_maximum_length
            else numeric_precision end as max_length,
       is_nullable,
       column_default as default_value
from information_schema.columns
where table_name = ''
order by ordinal_position;

-- Lists PK
select tab.table_schema as database_schema,
    sta.index_name as pk_name,
    sta.seq_in_index as column_id,
    sta.column_name,
    tab.table_name
from information_schema.tables as tab
inner join information_schema.statistics as sta
        on sta.table_schema = tab.table_schema
        and sta.table_name = tab.table_name
        and sta.index_name = 'primary'
where tab.table_schema = ''
order by tab.table_name,
    column_id;

-- Lists FK
select concat(fks.constraint_schema, '.', fks.table_name) as foreign_table,
       '->' as rel,
       concat(fks.unique_constraint_schema, '.', fks.referenced_table_name)
              as primary_table,
       fks.constraint_name,
       group_concat(kcu.column_name
            order by position_in_unique_constraint separator ', ') as fk_columns
from information_schema.referential_constraints fks
join information_schema.key_column_usage kcu
     on fks.constraint_schema = kcu.table_schema
     and fks.table_name = kcu.table_name
     and fks.constraint_name = kcu.constraint_name
group by fks.constraint_schema,
         fks.table_name,
         fks.unique_constraint_schema,
         fks.referenced_table_name,
         fks.constraint_name
order by fks.constraint_schema,
         fks.table_name;