oracle数据库操作手册

以下是Oracle数据库操作手册的一些常用命令和语法：

1. 创建表格

CREATE TABLE table_name (
    column1 datatype,
    column2 datatype,
    column3 datatype,
   ....
);

2. 插入数据

INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);

3. 更新数据

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

4. 删除数据

DELETE FROM table_name WHERE condition;

5. 创建视图

CREATE VIEW view_name AS
SELECT column1, column2, ...
FROM table_name
WHERE condition;

6. 查询数据

SELECT column1, column2, ...
FROM table_name
WHERE condition
ORDER BY column1, column2, ... ASC/DESC;

7. 连接表格

SELECT column_name(s)
FROM table1
INNER JOIN table2
ON table1.column_name = table2.column_name;

8. 子查询

SELECT column_name(s)
FROM table_name
WHERE column_name IN (SELECT column_name FROM table_name WHERE condition);