show databases;

use 库名;

show tables;

show tables from 库名

select database();

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create table 名字(
id int,
name varchar(20));

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desc 表名;

select * from 表名;

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insert into 表名 (a,b,…,f) values(1,2,3,…,7);

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update 库名 set name=‘lilei’ where id=1;

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delete from 库名 where id=1;

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select version();

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exit

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