How to convert USER_DEF_ATTRIBUTE1 value to be date data type in Fusion Application BI Data Base
Actually I need to calculate Days difference from EXPENDITURE_ITEM_Date and USER_DEF_ATTRIBUTE.Here USER_DEF_ATTRIBUTE1 data type is Varchar So I am not able to convert From Data type Varchar to Data type Date.USER_DEF_ATTRIBUTE1 is not convert to date data type .Please help me how to convert varchar2 into date Data type.
select EXPENDITURE_ITEM_ID,(EXPENDITURE_ITEM_Date-USER_DEF_ATTRIBUTE1) days_diff from pjc_exp_items_all
where 1=1
and USER_DEF_ATTRIBUTE1 is not null
and EXPENDITURE_ITEM_ID =10701
where 1=1
and USER_DEF_ATTRIBUTE1 is not null
and EXPENDITURE_ITEM_ID =10701
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