Logical data type -please help

Hello there
I want to use same jdbc code for different databases like MS Access, SQL server, Oracle, DB2 etc. But in case of logical data type fields (trye/false) in table I am facing problem in compatibilty. because it is being defined differently in sme databases.
Is there anybody who can help me solving the problem?
thanks in advance.
mortoza

You can use a char(1) column(as jschell said) or int(1) and use 1 and 0 for true/false or you could have VARCHAR(30) with "the value is true..". It doesn't really matter, but you have to check for this value to set your boolean value in your program:
boolean bool;
if ( resultset.getString(column_number).equals("T")
// or if ( resultset.getInt(column_number) == 1)
// or if ( resultset.getString(column_number).equals("the value is true..")
bool = true;
else
bool = false;

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fgl_grant_year 10 period 1 = for account 7600 its $100 and $100 for period 2 you see 100 dollars again this is not to be added this is the carried over balance. which remains $100.
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im given a period for the sake of this example lets say period 1 i get nothing else. I have to find the greates grant year grab the amount for period 14(which is the total from the previous year) and add it to the amount of the current period. in this case period 1 grnt_year 11
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240055     240055     7240     4730     02     10     14     200
240055     240055     7600     4730     02     10     14     100
240055     240055     7600     4730     02     11     1     400keep in mind that im not given a year just a period.
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finally broke down and put together this post
Edited by: mlov83 on Sep 14, 2011 8:48 PM

Frank
wondering if you can help me modify this sql statement that you provided me with .
table values have been modified a bit.
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hope that makes sense so in other words with the new data above. if i was querying period two of grant year 11. i would end up with $800
because the greatest year is 11 it contains a period 0 with amount of $400 so my total should be
period 2 amount $ 600
period 0 amount $ 400 - period 2 amount of $600 = 200
600+200 = $800
if i query period 1 of grant 360055 i would just end up with 800 of grnt year 10.
i have tried to modify that query you supplied to me with no luck. I have tried for several day but im embarrased to say i just can get it to do what im trying to do .
can you please help me out.
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