oracle数据库增删改查
时间: 2023-09-19 09:12:11 浏览: 56
对于Oracle数据库,常用的增删改查操作如下:
1. 插入数据(增加):
```
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
```
示例:
```
INSERT INTO employees (first_name, last_name, email, phone_number, hire_date, job_id, salary, commission_pct, manager_id, department_id)
VALUES ('John', 'Doe', 'johndoe@email.com', '123-456-7890', '01-JAN-20', 'IT_PROG', 5000, 0.1, 100, 60);
```
2. 更新数据:
```
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
```
示例:
```
UPDATE employees
SET salary = 6000
WHERE employee_id = 100;
```
3. 删除数据:
```
DELETE FROM table_name WHERE condition;
```
示例:
```
DELETE FROM employees WHERE employee_id = 100;
```
4. 查询数据:
```
SELECT column1, column2, ... FROM table_name WHERE condition;
```
示例:
```
SELECT first_name, last_name, salary FROM employees WHERE department_id = 60;
```
以上是Oracle数据库的常用增删改查操作,可以根据实际需求进行调整。
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