SQL

search column by name mysql

select table_name, column_name 
from information_schema.columns 
where column_name like '%search_keyword%'; -- change search_keyword accordingly

mysql search for column name in all tables

SELECT DISTINCT TABLE_NAME, COLUMN_NAME 
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME LIKE '%partial_column_name%'
    AND TABLE_SCHEMA='YourDatabase';

mysql find tables with column name

SELECT DISTINCT TABLE_NAME 
    FROM INFORMATION_SCHEMA.COLUMNS
    WHERE COLUMN_NAME IN ('columnA','ColumnB')
        AND TABLE_SCHEMA='YourDatabase';