MySQL basis

MySQL basis

basic steps to play with mysql

# 1) login mysql with root
     mysql -u root -p
# 2) update password for root (optional)
   
   
   
   

    
    
    
    
    UPDATE mysql.
    
    
    
    user 
    
    
    
    SET password
    
    
    
    =PASSWORD(
    
    
    
    'newPasswordFor
    
    
    
    Root
    
    
    
    ') 
    
    
    
    WHERE 
    
    
    
    User
    
    
    
    =
    
    
    
    '
    
    
    
    root
    
    
    
    ';
    
    
    
    
FLUSH 
    
    
    
    PRIVILEGES;
   
   
   
   

# 3) create a new user 'user1'


  
  
  
  

   
   
   
   
   CREATE 
   
   
   
   USER user1 IDENTIFIED 
   
   
   
   BY 
   
   
   
   'my
   
   
   
   password
   
   
   
   '; 
    
  
  
  
  

# 4) grant all privileges for this user 


   
   
   
   

    
    
    
    
    GRANT 
    
    
    
    ALL 
    
    
    
    PRIVILEGES 
    
    
    
    ON 
    
    
    
    *.
    
    
    
    * 
    
    
    
    TO 
    
    
    
    '
    
    
    
    user1
    
    
    
    '@
    
    
    
    '
    
    
    
    localhost
    
    
    
    ' IDENTIFIED 
    
    
    
    BY 
    
    
    
    '
    
    
    
    my
    
    
    
    password
    
    
    
    '; 
    
    
    
    
FLUSH 
    
    
    
    PRIVILEGES;
   
   
   
   
# 5) create a database with char set utf-8


    
    
    
    

     
     
     
     
     create 
     
     
     
     database mydatabase 
     
     
     
     character 
     
     
     
     set utf8;
     
     
     
     

     
     
     
     set character_set_client
     
     
     
     =utf8;
     
     
     
     

     
     
     
     set character_set_connection
     
     
     
     =utf8;
     
     
     
     

     
     
     
     set character_set_database
     
     
     
     =utf8;
     
     
     
     

     
     
     
     set character_set_results
     
     
     
     =utf8;
     
     
     
     

     
     
     
     set character_set_server
     
     
     
     =utf8;
    
    
    
    


# 6) switch to a database

    
    
    
    

     
     
     
     
     use mydatabase;
     
     
     
     
show tables;
    
    
    
    

# 7) Sample JDBC connection URL


     
     
     
     

      
      
      jdbc:mysql:
      
      
      
      //localhost:
      
      
      
      3306
      
      
      
      /mydatabase?useUnicode
      
      
      
      =true
      
      
      
      &characterEncoding
      
      
      
      =utf
      
      
      
      -
      
      
      
      8
      
      
      
      &autoReconnect
      
      
      
      =true
      
      
      
      &failOverReadOnly
      
      
      
      =false