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Oracle Database Interview Question:
How To Convert Times to Characters in Oracle?
Submitted by: AdministratorYou can convert dates to characters using the TO_CHAR() function as shown in the following examples:
SELECT TO_CHAR(SYSDATE, 'HH:MI:SS') FROM DUAL;
04:49:49
SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL;
-- Error: SYSDATE has no fractional seconds
SELECT TO_CHAR(SYSTIMESTAMP, 'HH24:MI:SS.FF9') FROM DUAL;
16:52:57.847000000
SELECT TO_CHAR(SYSDATE, 'SSSSS') FROM DUAL;
-- Seconds past midnight
69520
Submitted by: Administrator
SELECT TO_CHAR(SYSDATE, 'HH:MI:SS') FROM DUAL;
04:49:49
SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL;
-- Error: SYSDATE has no fractional seconds
SELECT TO_CHAR(SYSTIMESTAMP, 'HH24:MI:SS.FF9') FROM DUAL;
16:52:57.847000000
SELECT TO_CHAR(SYSDATE, 'SSSSS') FROM DUAL;
-- Seconds past midnight
69520
Submitted by: Administrator
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