SQL types mapping: Oracle MySQL

Table 1. SQL data types mapping Oracle® MySQL
Original data types Oracle MySQL data types
CHAR(n) CHAR(n) or TEXT (see note 1)
VARCHAR(n[,m]) VARCHAR(n) (see note 1)
LVARCHAR(n) VARCHAR(n) (see note 1)
NCHAR(n) NCHAR(n) (see note 1)
NVARCHAR(n[,m]) NVARCHAR(n) (see note 1)
BOOLEAN BOOLEAN
SMALLINT SMALLINT
INTEGER INTEGER
BIGINT BIGINT
INT8 BIGINT
SERIAL[(start)] INTEGER (see note 2)
BIGSERIAL[(start)] BIGINT (see note 2)
SERIAL8[(start)] BIGINT (see note 2)
DOUBLE PRECISION / FLOAT[(n)] DOUBLE
REAL / SMALLFLOAT FLOAT
DECIMAL(p,s) DECIMAL(p,s)
DECIMAL(p<=16) DECIMAL(p*2,p)
DECIMAL(p>16) N/A
DECIMAL DECIMAL(32,16)
MONEY(p,s) DECIMAL(p,s)
MONEY(p) DECIMAL(p,2)
MONEY DECIMAL(16,2)
DATE DATE
DATETIME HOUR TO MINUTE TIME
DATETIME HOUR TO SECOND TIME
DATETIME HOUR TO FRACTION(p) TIME(p)
DATETIME YEAR TO MONTH DATETIME
DATETIME YEAR TO DAY DATETIME
DATETIME YEAR TO HOUR DATETIME
DATETIME YEAR TO MINUTE DATETIME
DATETIME YEAR TO SECOND DATETIME
DATETIME YEAR TO FRACTION(p) DATETIME(p)
INTERVAL q1 TO q2 CHAR(50)
TEXT MEDIUMTEXT / LONGTEXT (max is 2Gb)
BYTE MEDIUMBLOB / LONGBLOB (max is 2Gb)
Notes:
  1. The CHAR types with a size > 255 are converted TEXT types. For more details, see CHAR and VARCHAR data types.
  2. For serial emulation, see SERIAL and BIGSERIAL data type.