[英]format date in oracle SQL
我试图学习如何在 oracle pl oracle 中格式化日期,当我在查询下面运行时返回错误
SELECT TO_DATE('01-JAN-00', 'YYYY-DD-MM') FROM dual;
the error message is
ORA-01858: a non-numeric character was found where a numeric was expected
01858. 00000 - "a non-numeric character was found where a numeric was expected"
*Cause: The input data to be converted using a date format model was
incorrect. The input data did not contain a number where a number was
required by the format model.
*Action: Fix the input data or the date format model to make sure the
elements match in number and type. Then retry the operation.
您要么没有使用正确的格式说明符,要么没有传递正确的字符串。 你要:
SELECT TO_DATE('2000-01-01', 'YYYY-DD-MM') FROM DUAL;
或者:
SELECT TO_DATE('01-JAN-00', 'DD-MON-YY') FROM DUAL;
或者你可以简单地声明一个DATE
文字:
SELECT DATE'2000-01-01' FROM DUAL;
对于我的场景,我不得不使用 to_char 完美解决格式问题。
SELECT TO_CHAR('01-JAN-00', 'yyyy-DD-MM') FROM dual;
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