59
58
FROM data_dictionary.tables INNER JOIN
60
59
data_dictionary.columns USING(table_schema, table_name) ORDER BY table_schema, table_name limit 20;
82
data_dictionary.columns USING(table_schema, table_name) WHERE table_schema NOT IN ('DATA_DICTIONARY','INFORMATION_SCHEMA')
64
90
select AVG(`col_int_key`) + AVG(`col_int`) AS average1,
65
91
(SUM(`col_int_key`) + SUM(`col_int`)) / COUNT(*) AS average2,
66
92
COUNT(*) AS count FROM t1;