首页 / MYSQL / Mysql查询所有表的行数和大小
Mysql查询所有表的行数和大小
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了Mysql查询所有表的行数和大小,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含2382字,纯文字阅读大概需要4分钟。
内容图文
![Mysql查询所有表的行数和大小](/upload/InfoBanner/zyjiaocheng/530/02bacc0bc7144fb7b1d68904cce63697.jpg)
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 th
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) Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its 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 '\r\n' FROM bb_month;
内容总结
以上是互联网集市为您收集整理的Mysql查询所有表的行数和大小全部内容,希望文章能够帮你解决Mysql查询所有表的行数和大小所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。