Oracle 如何插入日期？

嗨，我是Oracle的新手，忘记了如何输入日期。我尝试了许多变体，但似乎都没有得到它，另外，我在互联网上查看过，但找不到正确的示例。我的表是这样设置的：hiredate DATE（日期是我假定的默认输入，但默认值是什么）

谢谢你的帮助

这是我的密码：

SQL> SET LINESIZE 120
SQL> SET PAGESIZE 45
SQL> SET FEEDBACK 1
SQL> SET ECHO ON
SQL> 
SQL> DROP TABLE employee
  2  
SQL> CREAT TABLE student
SP2-0734: unknown command beginning "CREAT TABL..." - rest of line ignored.
SQL> CREATE TABLE employee
  2  (
  3  empno    NUMBER(4)CONSTRAINT employee_empno_PK PRIMARY KEY,
  4  empname  VARCHAR(10),
  5  job      VARCHAR(10),
  6  manager  NUMBER(4),
  7  hiredate DATE,
  8  salary   NUMBER(7,2),
  9  commission NUMBER(7,2),
 10  deptno   NUMBER(2)
 11  );

Table created.

SQL> INSERT INTO employee
  2   VALUES(7839, 'President', NULL, 11/17/1981, 5000, NULL, 10);
INSERT INTO employee
            *
ERROR at line 1:
ORA-00947: not enough values


SQL> VALUES(7839, 'President', NULL, '11/17/1978', 5000, NULL, 10);
SP2-0734: unknown command beginning "VALUES(783..." - rest of line ignored.
SQL> INSERT INTO employee
  2   VALUES(7839, 'President', NULL, '11/17/1978', 5000, NULL, 10);
INSERT INTO employee
            *
ERROR at line 1:
ORA-00947: not enough values


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, 11/17/1981, 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, 11/17/1981, 5000, NULL, 10)
                                              *
ERROR at line 2:
ORA-00932: inconsistent datatypes: expected DATE got NUMBER


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, 19811117, 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, 19811117, 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-00932: inconsistent datatypes: expected DATE got NUMBER


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '11/17/1981', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '11/17/1981', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '1978/11/17
  3  )
  4  ;
ERROR:
ORA-01756: quoted string not properly terminated


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President' NULL, '1978/11/17', 5000, NULL, 10);
 VALUES(7839, 'King', 'President' NULL, '1978/11/17', 5000, NULL, 10)
                                  *
ERROR at line 2:
ORA-00917: missing comma

Hello, I am new to MySQL and forgot how to properly INSERT at DATE when using MySQL Plus. I have tried many different variations as you will be able to see and I can't seem to figure it out. I also looked on the internet but always find examples where they make there own formats. What is the correct way to insert a date when the table was created using: hiredate


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '1981/11/17', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '1981/11/17', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01861: literal does not match format string


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '1981/17/11', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '1981/17/11', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01861: literal does not match format string


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '17/11/1981', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '17/11/1981', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '81/11/17', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '81/11/17', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01847: day of month must be between 1 and last day of month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '17/11/81', 5000, NULL, 100);
 VALUES(7839, 'King', 'President', NULL, '17/11/81', 5000, NULL, 100)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King, 'President', NULL, '11/17/1981', 5000, NULL, 10);
ERROR:
ORA-01756: quoted string not properly terminated


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '11/17/81', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '11/17/81', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '17/11/81', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '17/11/81', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '81/17/11', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '81/17/11', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01847: day of month must be between 1 and last day of month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '17/81/11', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '17/81/11', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '81/11/17', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '81/11/17', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01847: day of month must be between 1 and last day of month


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '1981-11-17', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '1981-11-17', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01861: literal does not match format string


SQL> INSERT INTO employee
  2   VALUES(7839, 'King', 'President', NULL, '17/11/1981', 5000, NULL, 10);
 VALUES(7839, 'King', 'President', NULL, '17/11/1981', 5000, NULL, 10)
                                         *
ERROR at line 2:
ORA-01843: not a valid month

您可以使用以下功能：

TO_DATE('11/17/1981', 'MM/DD/YYYY')

它允许您将日期指定为字符串，然后指定其使用的格式，以便Oracle可以将其转换为日期

也可以使用日期文字：

---

日期“1981-11-17”

日期在SQL中是格式敏感的。所以你需要把它们用单引号括起来，比如 （‘2010年12月21日’）。如果您的日期不是标准格式，则需要使用单行转换功能将日期转换为使用特定格式模型的日期。您可以在我的门户网站上找到更多这些语法

---

您使用的是Oracle还是Mysql？请只保留相关的标签。@Ramblin'Man:同意，但从

ORA-*

错误判断，它看起来像Oracle。或者更好，使用日期文字，如

date'1981-11-17'

@jonearles:xkcd参考的Thx:-）。如果使用日期文字，Oracle实际上需要的格式是

'17-NOV-2013'

（至少默认情况下是这样）。这是转换为日期的字符串的典型默认值，但这不是日期文字。日期文字是这样的：

从dual中选择日期“1981-11-17”。非常感谢你去奥列格！！！！！你的回答奏效了！感谢所有花时间阅读我文章的人。你们太棒了！