| Select Date_column from table where Date_column > 01/01/2000 [message #372435] |
Tue, 13 February 2001 14:22  |
Mike Oakes
Messages: 25
Registered: December 2000
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Junior Member |
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Hello,
Forgive the question but i am new to SQL. I want to do a simple query that returns records where a date column is greater than a date. Such as
Select Date_column from table where Date_column > 01/01/2000.
When I do this i receive an error. inconsistent datatypes.
Can anyone specify the format I need to design this sql statement.
thanks for your help,
Mike Oakes
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| Re: Select Date_column from table where Date_column > 01/01/2000 [message #372437 is a reply to message #372435] |
Tue, 13 February 2001 14:49  |
Bala
Messages: 205
Registered: November 1999
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Senior Member |
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Hi,
The date datatype is stored in a native format
inside oracle.
when you want to compare some value(varchar/numeric) with a date column, you have to first convert your value into date datatype and then compare..
so you above example would be...
Select Date_column from table where Date_column > to_date('01/01/2000', 'MM/DD/YYYY');
to_date is function used for the date datatype conversion. the syntax for to_date is..
to_date('your_value', 'your_format')...
When you want to do reverse, you want to select a datecolumn to your screen(sqlplus, odbc etc...)
you have to convert them back to char datatype
EX.
select to_char(date_column, 'MM/DD/YYYY') from table;
Bala
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