Oracle sqlldr 导入日期型字段

Oracle  sqlldr 导入日期型字段时要在控制文件作处理(如下红色字体):

Load DATA
CHARACTERSET ZHS16GBK
INFILE 'e:\expaccount\EIM_ACCNT_DTL.csv'
BADFILE 'e:\expaccount\EIM_ACCNT_DTL.data'
TRUNCATE INTO TABLE SIEBEL.EIM_ACCNT_DTL
FIELDS TERMINATED BY ',' Optionally enclosed by '"'
TRAILING NULLCOLS
(
ROW_ID SEQUENCE (MAX,1),
IF_ROW_BATCH_NUM CONSTANT "100",
IF_ROW_STAT CONSTANT "IMPORT",
PARTY_TYPE_CD,
PARTY_UID,
NAME,
XM_TYPE,
XM_NAME,
XM_ATTRIB_48,
EXT_ATTRIB_14,
EXT_ATTRIB_12   DATE "yyyy-mm-dd",
EXT_ATTRIB_32   DATE "yyyy-mm-dd",
EXT_ATTRIB_33   DATE "yyyy-mm-dd"
)