MySql - Display tables in a database

Getting number of tables in a database:
select count(*) as tables from information_schema.tables where table_schema = 'dbname' and table_rows != 0

Getting tables in a database:
select * from information_schema.tables where table_schema = 'dbname' and table_rows != 0

Getting tables and columns in a database:
SELECT table_schema,table_name,column_name, ordinal_position, column_key
FROM information_schema.columns WHERE table_name in (
 SELECT table_name
 FROM information_schema.tables WHERE table_schema = 'dbname' and
 table_rows != 0
)