hellodb数据库,只显示出zabbix库中最大的10个表> SELECT table_name AS "Tables",round(((data_length + index_length...courses | 0.02 | | t2 | 0.00 | +---+---+ 7 rows in set (0.00 sec) 找出前10的表大小.../mysql-howto-find-the-database-and-table-size/ 8.7K40 MySQL查看数据库...
15. 参考链接:http://www.ttlsa.com/mysql/mysql-howto-find-the-database-and-table-size/
:查看hellodb数据库,只显示出zabbix库中最大的10个表> SELECT table_name AS "Tables",round(((data_length + index_length... | 0.02 | | t2 | 0.00 | +---+---+ 7 rows in set (0.00 sec) 找出前10的表大小.../mysql-howto-find-the-database-and-table-size/ 8.7K40 使用php查看mysql...
2.3 循环遍历每个表 # 循环遍历每个表fortableintables:table_name=table[0]# 查询每个表的容量cursor.execute(f"SELECT SUM(data_length + index_length) FROM information_schema.TABLES WHERE table_schema = 'yourdatabase' AND table_name = '{table_name}'")# 获取查询结果table_size=cursor.fetchone()...
SELECTtable_name,data_length,index_lengthFROMinformation_schema.tablesWHEREtable_schema='your_database_name'ANDtable_name='customers'; 1. 2. 3. 4. 上述代码中,我们需要将your_database_name替换为你的数据库名。执行以上代码后,将会返回表customers的存储空间信息。
一行 Ctrl+W 关闭一个查询窗口 Ctrl+D 切换到表的结构设计页面,但是在查询页面写sql时是复制当前行 Ctrl+O 切换回数据内容显示页 F8 快速回到当前对象列表 Ctrl+N 打开一个新的查询窗口 F6 打开一个mysql命令行窗口 # 注释作用 查表名、数据内容 : 在数据库上右键 — 'Find in Database...' — 'Find'...
Database changed mysql> select concat(round(sum(data_length)/(1024*1024),2),'MB') as 'DB Size' -> from tables -> where table_schema='INVOICE'; +---+ | DB Size | +---+ | 6430.26MB | +---+ 1 row in set, 1 warning (0.00 sec...
Usingperformance_schemayou can also find the size of your dataset and the space used on disk: Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy SELECT format_bytes(sum(data_length)) DATA_SIZE, ...
3) transaction_prealloc_size (4096) Values in the bracket are the values of the dB servers. This is asked so that they can calculate the IOPS for the application (MySQL in this case). Many thankks! Subject Written By Posted How to find out block size of database?
drop database 库名;:删除一个数据库。 ALTER DATABASE 库名 DEFAULT CHARACTER SET 编码格式 DEFAULT COLLATE 排序规则:修改数据库的编码格式、排序规则。 1.3、MySQL表相关的命令 对于MySQL表相关的命令,首先来聊一聊创建表的SQL命令,如下: CREATE TABLE `库名`.`表名` ( 字段名称1 数据类型(精度限制) [字...