 MySQL    ,    , 
         : , , , , 
      .    MySQL  ,      , 
      php(MySQL    php    ,     
 ),         php,    .

  :

       ,       ,  

TINYINT -   -128  +127
SMALLINT -    -32768  +32767
MEDIUMINT -   -8 388 608  +8 388 607
INT -   -2 147 483 648  +2 147 483 647
BIGINT -   -9 223 372 036 854 775 808  +9 223 372 036 854 775 807

  

   ,  (   )

 :  (, ) [UNSIGNED]

 -   ,      , 
      ,   ,   UNSIGNED  
  (integer),         ,  1.9  1 
       .

FLOAT -   (6   )
DOUBLE -   ,  13   
REAL -     DOUBLE
DECIMAL -  ,   
NUMERIC -    DECIMAL



 -   ,    . 
MySQL      ,         , 
  utf-8       cp1251.

   CHAR,        255 , 
    : CHAR(13)

    255   ,   TEXT

,    ,          
    ,          
"      !"  ,       VASYA, 
        vasya,      ,         .

TINYTEXT -   255 
TEXT -   65535(65535   64 )
MEDIUMTEXT -   16 777 215 
LONGTEXT -   4 294 967 295 

  

      ,    
 (        ). 
              
  BINARY.

CHAR(30) BINARY
TINYBLOB - .  255 
BLOB - .  65535 
MEDIUMBLOB - .  16 777 215 
LONGBLOB -   4 294 967 295

  

DATE -    "  "
TIME -    "  "
TIMESTAMP -    ", , , , , (     20110131224354)"
DATETIME -    TIMESTAMP   (2011-01-31-22-43-54)