19 lines
474 B
SQL
19 lines
474 B
SQL
# InnoDB引擎页大小，默认16k
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show global status like 'Innodb_page_size';
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# Buffer Pool 默认大小是 128M
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show variables like '%innodb_buffer_pool%';
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# 查询MySQL用户
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select *
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from mysql.user;
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# 查询表的创建语句
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show create table sku.person;
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# 查询某个表占用的空间
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select concat(round(sum(data_length / 1024 / 1024), 2), 'MB') as size
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from information_schema.tables
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where table_schema = 'fortern_qqnt'
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and table_name = 'group_msg_table';
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