我有这张桌子，但是我不确定输入日期的格式是什么
insert into Works (ClientID, CCode, BranchNo, EquipNo, HireDate)
select 001, 101, 01, 24500, '23-JAN-13' from dual union
select 002, 102, 01, 23200, '12-SEP-12' from dual union
select 003, 103, 01, 11500, '15-DEC-14' from dual union
select 004, 104, 01, 76830, '16-MAR-16' from dual union
select 005, 105, 01, 23760, '08-JUN-15' from dual
这行不通，只会给我这个错误：
ORA-00904：“ HIREDATE”：无效的标识符
尝试使用有效的日期文字：
insert into Works (ClientID, CCode, BranchNo, EquipNo, HireDate)
select 001, 101, 01, 24500, date '2013-01-23' from dual union
select 002, 102, 01, 23200, date '2012-09-12' from dual union
select 003, 103, 01, 11500, date '2014-12-15' from dual union
select 004, 104, 01, 76830, date '2016-03-16' from dual union
select 005, 105, 01, 23760, date '2015-06-08' from dual
您还可以使用Oracle的TO_DATE功能：
TO_DATE('23-JAN-13', 'DD-MON-YY')
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