Home Database Mysql Tutorial mysql中showtablestatus获取表信息的方法介绍(图)

mysql中showtablestatus获取表信息的方法介绍(图)

Mar 30, 2017 pm 03:00 PM

使用方法

mysql>show table status;
mysql>show table status like 'esf_seller_history'\G;
mysql>show table status like 'esf_%'\G;
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样例:

mysql>show table status like 'esf_seller_history'\G;
Copy after login

\

  1. Name
    表名称
    2.Engine:
    表的存储引擎
    3.Version:
    版本
    4.Row_format
    行格式。对于MyISAM引擎,这可能是Dynamic,Fixed或Compressed。动态行的行长度可变,例如Varchar或Blob类型字段。固定行是指行长度不变,例如Char和Integer类型字段。
    5. Rows
    表中的行数。对于非事务性表,这个值是精确的,对于事务性引擎,这个值通常是估算的。
    6.Avg_row_length
    平均每行包括的字节数
    7.Data_length
    整个表的数据量(单位:字节)
    8.Max_data_length
    表可以容纳的最大数据量
    9.Index_length
    索引占用磁盘的空间大小
    10.Data_free
    对于MyISAM引擎,标识已分配,但现在未使用的空间,并且包含了已被删除行的空间。
    11.Auto_increment
    下一个Auto_increment的值
    12.Create_time
    表的创建时间
    13.Update_time
    表的最近更新时间
    14.Check_time
    使用 check table 或myisamchk工具检查表的最近时间
    15.Collation
    表的默认字符集和字符排序规则
    16.Checksum
    如果启用,则对整个表的内容计算时的校验和
    17.Create_options
    指表创建时的其他所有选项
    18.Comment
    包含了其他额外信息,对于MyISAM引擎,包含了注释徐标新,如果表使用的是innodb引擎 ,将现实表的剩余空间。如果是一个视图,注释里面包含了VIEW字样。

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