Query below lists all computed columns in MariaDB database
Query
select table_schema as database_name,
table_name,
column_name,
data_type,
generation_expression
from information_schema.columns
where is_generated = 'ALWAYS'
and table_schema not in ('information_schema', 'sys',
'performance_schema', 'mysql')
order by table_schema,
table_name,
column_name;
Columns
- database_name - database (schema) name containing table
- table_name - table name
- column_name - name of the column
- data_type - data type of column
- generation_expression - computing formula
Rows
- One row represents one column
- Scope of rows: represents all computed columns from all databases (schemas)
- Ordered by database name, table name and column name