let’s say I have a database table “ACCOUNTS” where it only has 3 fields:
- ACCOUNT_NUMBER (BIGINT)
- CREDIT (BIGINT)
- DEBIT (BIGINT)
And I simply want to make a query that will show only two columns:
- ACCOUNT_NUMBER (BIGINT)
- “BALANCED” (A boolean value. True if Credit == Debit, false otherwise)
How do I make such a query?
I tried using the equal operator (=) but it doesn’t accept it
SELECT ACCOUNT_NUMBER, CREDIT = DEBIT as "BALANCED" FROM ACCOUNTS;
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Answer
There’s no Boolean datatype in Oracle’s SQL, so you’ll have to live with its string (or numeric) representation, such as
select account_number, case when credit = debit then 'true' else 'false' end as balanced from accounts