Data dictionary Oracle® MySQL related data dictionary topics. Data type conversion table: Informix to MySQLBOOLEAN data typeCHAR and VARCHAR data typesNUMERIC data typesDATE and DATETIME data typesINTERVAL data typeSERIAL and BIGSERIAL data typeROWID columnsTEXT and BYTE (LOB) typesTable constraintsName resolution of SQL objects