mysql多表联合查询语句案例
前端实现富文本编辑器MySQL多表联合查询是指在查询语句中使用多个表进行关联查询的操作。通过联合查询，可以根据不同表的关联条件，获取到需要的数据结果。下面将列举10个MySQL多表联合查询语句案例，以帮助读者更好地理解和掌握这一知识点。
微服务开发环境
1. 查询订单表(order)和客户表(customer)中订单号(order_id)、客户姓名(customer_name)、订单日期(order_date)、客户电话(customer_phone)的信息。
```sql
der_id, customer.customer_name, der_date, customer.customer_phone
FROM order
INNER JOIN customer ON order.customer_id = customer.customer_id;
```
2. 查询商品表(product)和订单表(order)中商品名称(product_name)、商品单价(product_price)、订单数量(order_quantity)、订单总金额(order_amount)的信息。
```sql
SELECT product.product_name, product.product_price, der_quantity, der_amount
FROM product
INNER JOIN order ON product.product_id = order.product_id;
```
3. 查询员工表(employee)和部门表(department)中员工姓名(employee_name)、所属部门(department_name)、员工职位(employee_position)、部门经理(manager_name)的信息。
```sql
mysql语句多表查询ployee_name, department.department_name, ployee_position, employee.manager_name
FROM employee
INNER JOIN department ON employee.department_id = department.department_id;
```
4. 查询客户表(customer)、订单表(order)和商品表(product)中客户姓名(customer_name)、订单日期(order_date)、商品名称(product_name)、订单数量(order_quantity)的信息。
```sql
SELECT customer.customer_name, der_date, product.product_name, der_quantity
FROM customer
INNER JOIN order ON customer.customer_id = order.customer_id
c语言是干什么的INNER JOIN product ON order.product_id = product.product_id;
```
5. 查询部门表(department)、员工表(employee)和订单表(order)中部门名称(department_name)、员工姓名(employee_name)、订单日期(order_date)、订单金额(order_amount)的信息。
js中数组转字符串的方法```sql
SELECT department.department_name, ployee_name, der_date, der_amount
FROM department
c语言indexof
INNER JOIN employee ON department.department_id = employee.department_id
INNER JOIN order ployee_id = ployee_id;
```
6. 查询商品表(product)和订单表(order)中商品名称(product_name)、订单数量(order_quantity)的信息，并按照订单数量降序排列。
```sql
SELECT product.product_name, der_quantity
FROM product
INNER JOIN order ON product.product_id = order.product_id
ORDER der_quantity DESC;
```
7. 查询客户表(customer)、订单表(order)和员工表(employee)中客户姓名(customer_name)、订单日期(order_date)、员工姓名(employee_name)、订单金额(order_amount)的信息，并按照订单日期升序排列。
```sql
SELECT customer.customer_name, der_date, ployee_name, der_amount
FROM customer
INNER JOIN order ON customer.customer_id = order.customer_id
INNER JOIN employee ployee_id = ployee_id
ORDER der_date ASC;
```
8. 查询员工表(employee)和部门表(department)中员工姓名(employee_name)、员工职位(employee_position)、所属部门(department_name)的信息，并只显示职位为经理(manager)的员工。

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。