MySQL---3.28(first day)
login:
mysql -u root -p
mysql -h xxxx -u root -p
create database:
mysgl>create database cat;
mysql>show database cat;
delete database:
mysql>drop database cat;
table basics:
1.choose a database
mysql>use cat;
mysql>create table workers(
> id int;
>name varchar(10);
>);

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