Mysql 查询所有表的行数和大小

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

 INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = "lir" 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 36
Server version: 5.6.16 MySQL Community Server (GPL)

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affiliates. Other names may be trademarks of their respective
owners.

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 1
mysql> 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 names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> 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: 0

mysql> 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

导入数据文件到mysql

mysql导出数据到文件

SELECT * INTO OUTFILE "/tmp/bb.csv" FIELDS TERMINATED BY "," LINES TERMINATED BY " " FROM bb_month;