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2025-01-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Below I will give you a brief talk about mysql what are the common basic sentences, you know before the related similar topic content? Interested in the words to take a look at this article, I believe that after reading mysql what are commonly used basic sentences to help you a little bit.
create user shenge1@'192.168.200.% ' identified by 'linwei'//Create a user
grant all privileges on *.* to shenge1@'192.168.200.% ' identified by 'linwei'//Assign permissions to this user.
flush privileges;
grant permissions on database objects. table to user @ip identified by password
Permission: RESOLUTION SLACE, RESOLUTION CLIENT
Database object:*.* (*.* Description database. Table name)
User: shenge1 The % sign is a wildcard, indicating that user relp can log in to the service where 192.168.200.1~192.168.200.254 is located Password:linwei
mysql -ub -hwww.a.com -pb; You can log in directly, username b, password b,www.a.com is mysql Cloud Virtual Machine address
mysql -u shenge1 -h 192.168.200.157--password=linwei Login or-p Enter password manually
mysql
< 01.sql =>In 01.sql write mysql statement, you can execute it like this.
mysql -u shenge1 -h 192.168.200.157 --password=linwei < 01.sql
delete from mysql.user where User='age 1'; Delete a user
show databases; Show all databases
show tables from mysql; Displays all table names in the mysql database
create student database; create a student database
drop database student
create test table.student(char name,math int); Create a student table in the database test
drop table test.student; Delete the student table in the test database
show columns from table names or describe table names View table structure
insert into test.student(name,math)values ('xiaoming ',87); insert data
alter table test.student drop name; delete this field name.
alter table test.student add name char(20); add name
update test.student set name="xiaoming" where math=78; update the value of a data
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