：利用SQLServer实现表间连接（sqlserver表连接）

Table join is a common operation in the database, which can be implemented through sql statements. Here I will provide a brief introduction to how to achieve table join with SQLServer.

SQLServer can realize table join with the statements of join, include inner join and outer join. Here is a brief introduction:

1、Inner join. Inner join is the intersection between tables, that is, the results obtained by combining records in two or more tables that satisfy the join conditions. The syntax of the inner join in SQLServer is as follows：

“`sql

SELECT column1, column2, …

FROM table1

INNER JOIN table2 ON table1.column_name = table2.column_name;

2、Outer join. Outer join is divided into left outer join, right outer join and full outer join. Its role is to extend the result set generated by the inner join and include all records, not just the records that match the join condition. The syntax of left outer join in SQLServer is as follows:

```sql
SELECT column1, column2, ...
 FROM table1
 LEFT JOIN table2 ON table1.column_name = table2.column_name;

By the above method, we can easily and quickly achieve the connection between tables in SQLServer database. The code is simple and the operation is convenient, which can save a lot of development time and resources.