SQL

mysql find tables with name

SELECT table_name 
FROM information_schema.tables 
WHERE table_type = 'base table' AND table_name like '%YOUR TABLE NAME%';

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';

find a column in all tables mysql

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