Flexfield column registration process in apps

Question

how we can define in a table registration process that it's my flex field and other is simple or not flexfiled?
plzzzzz reply it

Answer 1

it's a huge document with a 20 chapters,i cant understand ,plzzzzz simply explain it am also giving structureof table and column registration process,
CREATE TABLE XX_XX_DFF
NAME VARCHAR2(100),
GENDER VARCHAR2(1),
DOB DATE,
ATTRIBUTE_CATEGORY1 VARCHAR2(100),
ATTRIBUTE_CATEGORY2 VARCHAR2(100),
ATTRIBUTE1 VARCHAR2(100),
ATTRIBUTE2 VARCHAR2(100)
Register Column with Apps Using AD_DD Package.
BEGIN
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','NAME',1,'VARCHAR2',100,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','GENDER',2,'VARCHAR2',1,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','DOB',3,'DATE',9,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','ATTRIBUTE_CATEGORY1',4,'VARCHAR2',
100,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','ATTRIBUTE_CATEGORY2',5,'VARCHAR2',
100,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','ATTRIBUTE1',6,'VARCHAR2',100,'N','N');
AD_DD.REGISTER_COLUMN('FND','XX_XX_DFF','ATTRIBUTE2',7,'VARCHAR2',100,'N','N');
End;
how he is defining it's Flexfield column and other is simple in this structure