Mysql queries the number and size of all tables.

SELECTTABLE_NAME, TABLE_ROWS, DATA_LENGTH10241024DATA_LENGTH, CREATE_TIME, TABLE_COLLATIONFROMINFORMATION_SCHEMA.TABLESWHERETABLE_SCHEMAlirORDERBYTABLE_ROWSDESC [dss @ localhost ~] $ Mysql-uroot-pEnterpassword: Welcometoth

SELECT TABLE_NAME, TABLE_ROWS, DATA_LENGTH/1024/1024 DATA_LENGTH, CREATE_TIME, TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'lile' order by TABLE_ROWS DESC [dss @ localhost ~] $ Mysql-u root-p Enter password: Welcome to th

SELECT TABLE_NAME, TABLE_ROWS, DATA_LENGTH/1024/1024 "DATA_LENGTH", CREATE_TIME, TABLE_COLLATION FROM

INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'lil' order by TABLE_ROWS DESC

[dss@localhost ~]$ mysql -u root -p  Enter password: Welcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 36Server version: 5.6.16 MySQL Community Server (GPL)Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> show database;ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database' at line 1mysql> show databases;+--------------------+| Database           |+--------------------+| information_schema || fire               || hive               || lir                || mysql              || performance_schema || test               |+--------------------+7 rows in set (0.03 sec)mysql> use fire;Reading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changedmysql> load data infile 'aa.txt' into table firewallb;ERROR 13 (HY000): Can't get stat of '/var/lib/mysql/fire/aa.txt' (Errcode: 2 - No such file or directory)mysql> load data infile '/home/dss/aa.txt' into table firewallb;ERROR 13 (HY000): Can't get stat of '/home/dss/aa.txt' (Errcode: 13 - Permission denied)mysql> load data infile '/tmp/aa.txt' into table firewallb;Query OK, 10 rows affected (0.07 sec)Records: 10  Deleted: 0  Skipped: 0  Warnings: 0mysql> load data infile '/tmp/fireb.txt' into table firewallb;

Query OK, 16600931 rows affected (38 min 25.54 sec)Records: 16600931  Deleted: 0  Skipped: 0  Warnings: 0

Import data files to mysql

Mysql exports data to a file

SELECT * into outfile '/tmp/bb.csv' fields terminated by ', 'Lines terminated by' \ r \ n' FROM bb_month;